NationalInstruments.VisaNS

Specifies the mode for locking or accessing a VISA resource.

Does not obtain any lock on the VISA resource.

Obtains an exclusive lock on the VISA resource.

Obtains a lock on the VISA resource, which may be shared between multiple VISA sessions.

Opens a session with the ability to configure attributes to values specified by an external configuration utility.

Specifies the address modifier to use in access operations, such as In32 and MoveIn32, on VxiSession and VxiMemory.

Data privileged access.

Data non-privileged access.

Program privileged access.

Program non-privileged access.

Block privileged access.

Block non-privileged access.

D64 privileged access.

D64 non-privileged access.

Specifies the type of hardware address space.

VXI configuration address space.

VXI 24-bit memory address space.

VXI 32-bit memory address space.

VXI 64-bit memory address space.

Default FireWire address space.

PXI memory allocations address space.

PXI configuration address space.

PXI Base Address Register (BAR) 0 address space.

PXI Base Address Register (BAR) 1 address space.

PXI Base Address Register (BAR) 2 address space.

PXI Base Address Register (BAR) 3 address space.

PXI Base Address Register (BAR) 4 address space.

PXI Base Address Register (BAR) 5 address space.

Specifies the address state of a GPIB interface.

The GPIB interface is not addressed.

The GPIB interface is addressed as a talker.

The GPIB interface is addressed as a listener.

Specifies how to control the GPIB Attention (ATN) line.

Deasserts the ATN line. The GPIB interface that corresponds to the VISA session switches to standby mode.

Asserts the ATN line and takes control synchronously without corrupting transferred data. If a data handshake is in progress, the ATN line is not asserted until the handshake is complete.

Deasserts the ATN line and enters the shadow handshake mode. The local device participates in data handshakes as an acceptor without actually reading the data. The GPIB interface that corresponds to the VISA session switches to standby mode.

Asserts the ATN line and takes control asynchronously and immediately, without regard for any data transfer currently in progress. You should use this member only for error conditions.

Specifies the .NET interface to NI-VISA driver-level attributes.

The resource class, such as INSTR, as defined by the canonical resource name.

The unique identifier for a resource.

The resource version that uniquely identifies each of the different revisions or implementations of a resource.

The current locking state of the resource.

The maximum number of events that can be queued at any time on the session.

The data used privately by the application for a particular session.

The Fast Data Channel (FDC) used to transfer the buffer.

The Fast Data Channel (FDC) mode to use (either normal or stream mode).

This value corresponds to the VI_ATTR_FDC_GEN_SIGNAL_EN attribute on the NI-VISA driver.

This VISA attribute specifies whether one channel or a channel pair is used for transferring data.

This VISA attribute specifies whether to assert END during the transfer of the last byte of the buffer.

The termination character.

The minimum timeout value in milliseconds to use when accessing the device associated with the session.

This VISA attribute specifies whether to use repeat addressing before each read or write operation.

The specified protocol to use.

This VISA attribute specifies whether I/O accesses use DMA or Programmed I/O.

The baud rate of the interface.

The number of data bits contained in each frame (from 5 to 8).

The parity used with every frame transmitted and received.

The number of stop bits used to indicate the end of a frame.

The type of flow control used by the transfer mechanism.

The operational mode of the formatted I/O read buffer.

The operational mode of the formatted I/O write buffer.

This VISA attribute specifies whether to suppress the END bit termination.

A flag that determines whether the read operation terminates when a termination character is received.

The address modifier used in high-level access operations, such as viOutXX() and viMoveOutXX(), when writing to the destination.

The byte order used in high-level access operations, such as viOutXX() and viMoveOutXX(), when writing to the destination.

The address modifier to use in high-level access operations, such as In and MoveIn, when reading from the source.

The byte order to be used in high-level access operations, such as In and MoveIn, when reading from the source.

The number of elements that the source offset is to be incremented after every transfer.

The number of elements that the destination offset is incremented after every transfer.

The address modifier to use in low-level access operations, such as viMapAddress(), viPeekXX(), and viPokeXX(), when accessing the mapped window.

The byte order to use in low-level access operations, such as viMapAddress(), viPeekXX(), and viPokeXX(), when accessing the mapped window.

The current state of the GPIB ATN (ATtentioN) interface line.

The specified GPIB interface is currently addressed to talk or listen, or is not addressed.

This VISA attribute specifies whether the specified GPIB interface is currently CIC (Controller-In-Charge).

The current state of the GPIB NDAC (Not Data ACcepted) interface line.

The current state of the GPIB SRQ (Service ReQuest) interface line.

This VISA attribute specifies whether the specified GPIB interface is currently the system controller.

The total number of meters of GPIB cable used in the specified GPIB interface.

The unique logical address of the commander of the VXI device used by the given session.

The VXI-defined device class to which the resource belongs, either Message, Register, Extended, or Memory.

The lowest logical address in the mainframe.

The name of the manufacturer.

The model name of the device.

The current state of the VXI/VME interrupt lines.

The current state of the VXI trigger lines.

The current state of the VXI/VME SYSFAIL (SYStem FAILure) backplane line.

The base address of the interface bus to which this window is mapped.

The size of the region mapped to this window.

The number of bytes available in the global receive buffer.

The base address of the device in VXIbus memory address space.

The current state of the Clear To Send (CTS) input signal.

The current state of the Data Carrier Detect (DCD) input signal.

The current state of the Data Set Ready (DSR) input signal.

The current state of the Data Terminal Ready (DTR) input signal.

The method used to terminate read operations.

The method used to terminate write operations.

The character to replace incoming characters that arrive with errors, such as parity error.

The current state of the Ring Indicator (RI) input signal.

The Request To Send (RTS) output signal is manually asserted or unasserted.

The XON character used for XON/XOFF flow control (both input and output).

The XOFF character used for XON/XOFF flow control (both input and output).

The modes in which the current window may be accessed.

The session of the Resource Manager that was used to open this session.

For an INSTR session, this VISA attribute specifies the logical address of the VXI or VME device used by the session. For a MEMACC or SERVANT session, this VISA attribute specifies the logical address of the local controller.

The manufacturer identification number of the device.

The size of memory requested by the device in VXIbus address space.

The VXIbus address space used by the device. The three types are A16, A24, or A32 memory address space.

The model code for the device.

The physical slot location of the VXIbus device.

Human-readable text that describes the interface.

This VISA attribute specifies whether the device associated with this session is an immediate servant of the controller running VISA.

The board number of the GPIB board to which the GPIB-VXI is attached.

The resource version that uniquely identifies the version of the VISA specification to which the implementation is compliant.

The interface type of the session.

The primary address of the GPIB device used by the given session.

The secondary address of the GPIB device used by the given session.

A string that corresponds to the manufacturer name of the vendor that implemented the VISA library.

The VXI manufacturer ID of the vendor that implemented the VISA library.

The board number for the interface.

The identifier for the current triggering mechanism.

The current state of the GPIB REN (Remote ENable) interface line.

This VISA attribute specifies whether to unaddress the device (Untalk and Unlisten) after each read or write operation.

The 488-style status byte of the local controller or device associated with this session.

This VISA attribute specifies whether ReadToFile overwrites or appends when opening a file.

This VISA attribute shows which VXI trigger lines this implementation supports.

The TCPIP address of the device to which the session is connected.

The host name of the device.

The port number for a given TCPIP address.

The LAN device name used by the VXI-11 protocol during connection.

The Nagle algorithm is disabled when this VISA attribute is enabled (and vice versa).

This VISA attribute requests that a TCP/IP provider enable the use of keep-alive packets on TCP connections.

The job ID of the asynchronous operation that has completed.

The unique logical identifier for the event type of the specified event.

The 16-bit Status/ID value retrieved during the IACK cycle or from the Signal register.

The triggering mechanism on which the specified trigger event was received.

The 32-bit Status/ID retrieved during the IACK cycle.

The return code of the operation generating this event.

The actual number of elements that were asynchronously transferred.

The address of a buffer that was used in an asynchronous operation.

The VXI interrupt level on which the interrupt was received.

The name of the operation generating this event.

The local controller has gained or lost CIC status.

This value corresponds to the VI_ATTR_RECV_TCPIP_ADDR attribute on the NI-VISA driver.

The current size of the formatted I/O input buffer for this session.

The current size of the formatted I/O output buffer for this session.

This value corresponds to the VI_ATTR_VXI_DEV_CMD_TYPE attribute on the NI-VISA driver.

This value corresponds to the VI_ATTR_VXI_DEV_CMD_VALUE attribute on the NI-VISA driver.

This VISA attribute determines whether NUL characters are discarded or treated as normal data characters.

If set to Asserted, this VISA attribute suspends character transmission and places the transmission line in a break state until this attribute is reset to Unasserted.

This VISA attribute controls the duration in milliseconds of the break signal asserted when VI_ATTR_ASRL_END_OUT is set to VI_ATTR_ASRL_END_BREAK.

This VISA attribute suspends or resumes transmission as if an XOFF or XON character has been received.

This VISA attribute specifies the wire mode.

The PXI device number.

The PXI function number. All devices have a function 0. Multifunction devices also support other function numbers.

Memory type used by the device in the specified BAR 0 (if applicable).

Memory type used by the device in the specified BAR 1 (if applicable).

Memory type used by the device in the specified BAR 2 (if applicable).

Memory type used by the device in the specified BAR 3 (if applicable).

Memory type used by the device in the specified BAR 4 (if applicable).

Memory type used by the device in the specified BAR 5 (if applicable).

PXI memory base address assigned to the specified BAR 0.

PXI memory base address assigned to the specified BAR 1.

PXI memory base address assigned to the specified BAR 2.

PXI memory base address assigned to the specified BAR 3.

PXI memory base address assigned to the specified BAR 4.

PXI memory base address assigned to the specified BAR 5.

Memory size used by the device in the specified BAR 0.

Memory size used by the device in the specified BAR 1.

Memory size used by the device in the specified BAR 2.

Memory size used by the device in the specified BAR 3.

Memory size used by the device in the specified BAR 4.

Memory size used by the device in the specified BAR 5.

This VISA attribute specifies whether the device is a PCI Express or PXI Express device.

The PCI Express or PXI Express link width of the PCI Express or PXI Express peripheral slot in which the device resides.

The maximum PCI Express or PXI Express link width of the device.

The PCI Express or PXI Express link width negotiated between the PCI Express or PXI Express host controller and the device.

The differential star bus number of the device.

The number of the set of PXI differential star lines connected to the device.

The device associated with this session is 488.2 compliant.

The serial number of the USB instrument.

The USB interface number of the device to which this session is connected.

The USB protocol number.

The maximum number of bytes that the USB device sends on an interrupt-in pipe.

The size of the data that is received from the USB interrupt-in pipe.

The data that is received from the USB interrupt-in pipe.

The PCI bus number of the PCI or PXI device.

The PXI chassis number of the device.

The slot path of the device.

The slot number or special feature connected to the local bus left lines of the device.

The slot number or special feature connected to the local bus right lines of the device.

The trigger bus number of the device.

The star trigger bus number of the device.

The PXI star line connected to the device.

The endpoint number of the USB bulk-out pipe.

The endpoint number of the USB bulk-in pipe.

The endpoint number of the USB interrupt-in pipe.

The USB class that this session uses.

The USB subclass that this session uses.

The USB alternate setting.

The number of USB interfaces supported by the device.

The number of pipes supported by the USB interface.

This VISA attribute determines whether the USB bulk-out pipe is stalled or ready.

This VISA attribute determines whether the USB bulk-in pipe is stalled or ready.

This VISA attribute determines whether the USB interrupt-in pipe is stalled or ready.

Specifies the upper 16 bits of the 48-bit destination address of the IEEE 1394 device.

Specifies the upper 16 bits of the 48-bit source address of the IEEE 1394 device.

Specifies the 24-bit Vendor ID of the IEEE 1394 device.

Specifies the lower 32 bits of the 40-bit Chip ID of the IEEE 1394 device.

Specifies the upper 8 bits of the 40-bit Chip ID of the IEEE 1394 device.

Specifies whether the port is properly connected to another port or device.

Specifies the source segment from which to map triggers.

Specifies the destination segment to which to map triggers.

Returns the index of the interrupt sequence that detected the interrupt condition.

Returns the first PXI or PCI register that was read in the successful interrupt detection sequence.

Specifies the method used to terminate USB read operations.

The endpoint number of the USB control pipe.

Represents the encoding the MessageBasedSessionWriter and MessageBasedSessionReader classes use to transfer binary data.

Gets a definite length block data binary encoding.

Gets an indefinite length block data binary encoding.

Gets a raw big endian binary encoding.

Gets a raw little endian binary encoding.

Gets the name of a BinaryEncoding value.

Gets the underlying type of an enum object value.

Specifies the type of buffer.

Buffer from which VISA receives data.

Buffer to which VISA transmits data.

Specifies the scheme for ordering bytes in a word.

Most significant byte has the lowest address.

Least significant byte has the lowest address.

Specifies the width, in bits, of register-based data transfers.

8-bit data transfers.

16-bit data transfers.

32-bit data transfers.

Specifies how VISA events are raised.

The mechanism that adds events to a queue until they are removed by WaitOnEvent or that causes WaitOnEvent to block program termination until an event is queued.

The mechanism that VISA uses to call event handlers when they are installed and enabled for one or more events.

Specifies the available Fast Data Channel (FDC) mode.

Normal Fast Data Channel (FDC) mode.

Stream Fast Data Channel (FDC) mode.

Specifies the type of serial port flow control available for the transfer mechanism.

The transfer mechanism does not use flow control. Buffers on both sides of the connection are assumed to be large enough to hold all transferred data.

The transfer mechanism uses the XON and XOFF characters to perform flow control.

The transfer mechanism uses the Request To Send (RTS) output signal and the Clear To Send (CTS) input signal to perform flow control.

The transfer mechanism uses the Data Terminal Ready (DTR) output signal and the Data Set Ready (DSR) input signal to perform flow control.

Provides access to the board-level GPIB functionality that is available in VISA.

Serves as the base class for all VISA session objects.

Indicates that a timeout occurs immediately if the operation does not immediately succeed.

Indicates that the operation never times out.

Initializes a new instance of the Session object from the specified resource name.

String that describes a unique VISA resource. Insufficient location information, or the device or resource is not present in the system. -or- The interface type is valid, but the specified interface number is not configured. There are problems opening a VISA session to resourceName (parameter). The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Initializes a new instance of the Session object from the specified resource name, access mode, and timeout.

String that describes a unique VISA resource. The mode by which the specified VISA resource is accessed. The maximum time in milliseconds that this statement waits to open a VISA session with the specified resource. This parameter does not set the Timeout property. Insufficient location information, or the device or resource is not present in the system. -or- Invalid accessMode (parameter). -or- The interface type is valid, but the specified interface number is not configured. There are problems opening a VISA session to resourceName (parameter). The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

This constructor is used internally by the ResourceManager's Open methods.

Finalizes the instance of the Session class.

Overrides ToString.

A string representation of the object.

Releases all resources used by Session.

Releases the unmanaged resources used by Session and optionally releases the managed resources associated with this object.

true if this method releases managed and unmanaged resources; false if this method releases only unmanaged resources.

Enables notification of an event.

Custom logical event identifier. Event-handling mechanism to enable. Invalid mechanism (parameter) specified. -or- Specified event type is not supported by the resource. A handler is not currently installed for the specified event. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Disables notification of the specified event type on the specified event-handling mechanism.

Custom logical event identifier. Event-handling mechanism to disable. Invalid mechanism (parameter) specified. -or- Specified event type is not supported by the resource. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Discards event occurrences for the specified event type and mechanism in a session.

Logical event identifier. Specifies the mechanism for which the event is to be discarded. Invalid mechanism (parameter) specified. -or- Specified event type is not supported by the resource. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Installs a handler for a nonstandard or new event type.

Custom logical event identifier. VisaEventHandler that receives the custom event. The customEventType (parameter) is not recognized by the driver. -or- The handler (parameter) delegate is invalid. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Uninstalls a handler for a nonstandard or new event type that was installed with InstallCustomEventHandler.

Custom logical event identifier. VisaEventHandler that was installed with InstallCustomEventHandler. The customEventType (parameter) is not recognized by the driver. -or- The handler (parameter) delegate is invalid. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Waits infinitely long for an occurrence of the specified event for a session.

Custom logical event identifier of the event to wait for. VisaEventArgs object that contains information about the event that occurred. Specified event type is not supported by the resource. The session must be enabled for events of the specified type in order to receive them. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Waits a specified time for an occurrence of the specified event for a session.

Custom logical event identifier of the event to wait for. Maximum time in milliseconds that this method waits for the event to occur before throwing an exception. VisaEventArgs object that contains information about the event that occurred. Specified event type is not supported by the resource. The session must be enabled for events of the specified type in order to receive them. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Establishes an exclusive lock to the specified resource using the Timeout property.

The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Establishes an exclusive lock to the specified resource with a specified timeout.

Absolute time in milliseconds that a resource waits to get unlocked by the locking session before throwing an exception. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Establishes a shared lock to the specified resource.

Absolute time in milliseconds that a resource waits to get unlocked by the locking session before throwing an exception. Access key used by another session with which you want your session to share a lock, or null to generate a new shared access key. A new shared access key if requestedKey (parameter) is null; otherwise, same value as the requested key. The requestedKey (parameter) value passed in is not a valid accessKey to the specified resource. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Relinquishes a lock for the specified resource.

Provides direct read access to the NI-VISA driver-level attributes of Byte data type.

NI-VISA driver-level attribute to read. Value of the NI-VISA driver attribute requested with attribute (parameter). The specified attribute (parameter) is not defined. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Provides direct read access to the NI-VISA driver-level attributes of Int16 data type.

Provides direct read access to the NI-VISA driver-level attributes of Int32 data type.

Provides direct read access to the NI-VISA driver-level attributes of Int64 data type.

Provides direct read access to the NI-VISA driver-level attributes of String data type.

Provides direct read access to the NI-VISA driver-level attributes of Boolean data type.

Provides direct write access to the NI-VISA driver-level attributes of Byte data type.

NI-VISA driver-level attribute to write. New value to assign the NI-VISA attribute. The specified state of attribute (parameter) is not valid. The specified attribute (parameter) is not defined. -or- The specified attribute (parameter) is read-only. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Provides direct write access to the NI-VISA driver-level attributes of Int16 data type.

Provides direct write access to the NI-VISA driver-level attributes of Int32 data type.

Provides direct write access to the NI-VISA driver-level attributes of Int64 data type.

Provides direct write access to the NI-VISA driver-level attributes of String data type.

Provides direct write access to the NI-VISA driver-level attributes of Boolean data type.

Gets human-readable text that describes the current hardware interface.

This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Gets the board number for the current hardware interface.

Gets the hardware interface type of this session.

Gets the last NI-VISA driver status code that was received when this API called a NI-VISA driver method.

This member is called after the Dispose method is called directly from code or indirectly through a finalizer. A required operation in the NI-VISA driver library cannot be found.

Gets the resource class (for example, "INSTR") as defined by the canonical resource name.

Gets the resource version that uniquely identifies each revision or implementation of a resource.

Gets the current locking state of the resource.

Gets a value that corresponds to the VXI manufacturer ID of the vendor that implemented the VISA library.

Gets a string that corresponds to the manufacturer name of the vendor that implemented the VISA library.

Gets the unique identifier for a resource.

Gets the resource version that uniquely identifies the VISA specification version to which the implementation is compliant.

This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found.

Gets or sets the minimum timeout value to use in milliseconds when accessing the device associated with the session.

The property is set to an invalid state. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Gets or sets the maximum number of events that can be queued at any time on the session.

Gets or sets the object that marshals event-handler and callback calls.

Gets access to the NI-VISA driver session handle that NI-VISA driver operations use internally.

This member is called after the Dispose method is called directly from code or indirectly through a finalizer.

Specifies how events and callback delegates are invoked.

Summary description for IBufferedReader.

Summary description for IBufferedIO.

Specifies that there is no secondary address for the GPIB device.

Initializes a new instance of the GpibInterface object from the specified resource name.

String that describes a unique VISA resource. Insufficient location information, or the device or resource is not present in the system. -or- The interface type is valid, but the specified interface number is not configured. -or- resourceName (parameter) does not describe a valid GPIB INTFC resource. There are problems opening a VISA session to resourceName (parameter). The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Initializes a new instance of the GpibInterface object from the specified resource name, access mode, timeout value, and resource name validation flag.

String that describes a unique VISA resource. Validation setting for the specified resource string. The mode by which the specified VISA resource is accessed. The maximum time in milliseconds that this statement waits to open a VISA session with the specified resource. This parameter does not set the Timeout property. Insufficient location information, or the device or resource is not present in the system. -or- Invalid accessMode (parameter). -or- The interface type is valid, but the specified interface number is not configured. -or- resourceName (parameter) does not describe a valid GPIB INTFC resource and checkResourceType (parameter) is set to true. There are problems opening a VISA session to resourceName (parameter). The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Specifies the state of the ATN line and the local active controller state.

State of the ATN line and optionally the local active controller state. Refer to AtnMode for a list of values. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Tells the GPIB device at the specified primary address to become Controller-In-Charge (CIC).

Primary address of the GPIB device to which you want to pass control. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Tells the GPIB device at the specified primary address and secondary address to become Controller-In-Charge (CIC).

Primary address of the GPIB device to which you want to pass control. Secondary address of the GPIB device to which you want to pass control. If there is no secondary address, pass NoSecondaryAddress for this parameter. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Writes GPIB command bytes on the bus.

Byte array that contains valid GPIB commands. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Pulses the InterFace Clear line (IFC) for at least 100 s.

Asserts a software trigger.

Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Synchronously reads ASCII-encoded string data from a device or interface.

String data read from the device or interface. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Synchronously reads a specified amount of ASCII-encoded string data from a device or interface.

Number of characters to read from the device or interface. String data read from the device or interface. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Synchronously reads an array of bytes from a device or interface.

Byte array data read from the device or interface. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Synchronously reads a specified number of bytes from a device or interface.

Number of bytes to read. Byte array data read from the device or interface. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Synchronously reads data and stores the transferred data in a file.

Name of file to which data is written. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Synchronously reads a specified amount of data and stores the transferred data in a file.

Name of file to which data is written. Number of bytes to read. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Synchronously writes ASCII-encoded string of data to the device or interface.

Data to write to the device or interface. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Synchronously writes an array of bytes to the device or interface.

Synchronously reads data from a file and writes it to the device or interface.

Name of file from which data is read. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Synchronously reads data from a file and writes a specified number of bytes to the device or interface.

Name of file from which data is read. Number of bytes to write. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Controls the state of the GPIB Remote Enable (REN) interface line and optionally the remote or local state of the device.

New state of the REN line. Refer to RenMode for a description of the possible values. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Enables notification of an event.

GpibInterface event to enable. Event-handling mechanism to enable. Invalid mechanism (parameter) specified. -or- Specified event type is not supported by the resource. A handler is not currently installed for the specified event. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Disables notification of the specified event type on the specified event-handling mechanism.

GpibInterface event to disable. Event-handling mechanism to disable. Invalid mechanism (parameter) specified. -or- Specified event type is not supported by the resource. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Discards event occurrences for the specified event type on the queuing mechanism for a session.

GpibInterface event for which queued events are discarded. Invalid mechanism specified. -or- Specified event type is not supported by the resource. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Waits infinitely long for an occurrence of the specified event for a session.

GpibInterface event to wait on. GpibInterfaceEventArgs object that contains information about the event that occurred. Specified event type is not supported by the resource. The session must be enabled for events of the specified type in order to receive them. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Waits a specified time for an occurrence of the specified event for a session.

GpibInterface event to wait on. Maximum time in milliseconds that this method waits for the event to occur before throwing an exception. GpibInterfaceEventArgs object containing information about the event that occurred. Specified event type is not supported by the resource. The session must be enabled for events of the specified type in order to receive them. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Raises the ControllerInCharge event of the GpibInterface object.

GpibInterfaceControllerInChargeEventArgs object that contains event data.

Raises the Clear event of the GpibInterface object.

GpibInterfaceEventArgs object that contains event data.

Raises the Listen event of the GpibInterface object.

GpibInterfaceEventArgs object that contains event data.

Raises the ServiceRequest event of the GpibInterface object.

GpibInterfaceEventArgs object that contains event data.

Raises the Talk event of the GpibInterface object.

GpibInterfaceEventArgs object that contains event data.

Raises the Trigger event of the GpibInterface object.

GpibInterfaceTriggerEventArgs object that contains event data.

Gets or sets the 488-style status byte of the local controller or device associated with this session.

Gets if the specified GPIB interface is currently addressed to talk or listen or is not addressed.

Gets the current state of the GPIB Attention (ATN) interface line.

Gets if the specified GPIB interface is currently Controller-In-Charge (CIC).

Gets or sets the meters of GPIB cable that are used in the GPIB interface.

Gets the current state of the GPIB Not Data ACcepted (NDAC) interface line.

Gets the current state of the GPIB Service ReQuest (SRQ) interface line.

Gets if the specified GPIB interface is currently the system controller.

Gets or sets if the ReadToFile method overwrites or appends data when opening a file.

Gets or sets the default size of a read or write buffer when the size is not defined as a parameter on a read or write operation.

Gets or sets which I/O protocol to use for the current hardware interface.

Gets or sets a value indicating whether to assert END during the transfer of the last byte in the buffer.

Gets or sets the termination character.

Gets or sets if the read operation terminates when a termination character is received.

Gets or sets a value indicating whether I/O accesses use DMA or Programmed I/O.

Gets or sets the primary address of the GPIB device associated with the session.

Gets the current state of the GPIB Remote ENable (REN) interface line.

Gets or sets the secondary address of the GPIB device associated with this session.

Occurs when the GPIB controller gains or loses Controller-In-Charge (CIC) status.

Occurs when the local controller is sent a device clear message.

Occurs when the GPIB controller is addressed to listen.

Occurs when the device associated with the session receives a service request.

Occurs when the GPIB controller is addressed to talk.

Occurs when the device associated with the session receives a trigger interrupt.

Provides data for the ControllerInCharge (CIC) event on GpibInterface.

Provides data for events on the GpibInterface object.

Specifies the base class for all VISA event argument objects.

Finalizes the instance of the VisaEventArgs object.

Overrides ToString.

A string representation of the object.

Releases all resources used by the VisaEventArgs object.

Releases the unmanaged resources used by VisaEventArgs and optionally releases the managed resources associated with this object.

If true, releases managed and unmanaged resources; if false, releases only unmanaged resources.

Provides direct read access to the NI-VISA driver-level attributes of Byte data type for the associated event.

Provides direct read access to the NI-VISA driver-level attributes of Int16 data type for the associated event.

Provides direct read access to the NI-VISA driver-level attributes of Int32 data type for the associated event.

NI-VISA driver-level attribute to read. Value of the NI-VISA driver attribute requested with attribute (parameter). The specified attribute is not defined. This member is called after the Dispose method is called directly from code or indirectly through a finalizer.

Provides direct read access to the NI-VISA driver-level attributes of String data type for the associated event.

Provides direct read access to the NI-VISA driver-level attributes of Boolean data type for the associated event.

NI-VISA driver-level attribute to read. Value of the NI-VISA driver attribute requested with attribute (parameter). The specified attribute (parameter) is not defined. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. There is a problem getting the specified attribute (parameter). The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Gets the unique logical identifier for the type of this event.

Overrides ToString.

A string representation of the object.

Gets an enumeration value indicating which event occurred.

Overrides ToString.

A string representation of the object.

Gets a value indicating whether the local controller has gained or lost ControllerInCharge (CIC) status.

Represents the method that handles the ControllerInCharge event on GpibInterface.

Object that generated the event. GpibInterfaceControllerInChargeEventArgs object that specifies information about the event.

Represents the method that handles the Clear, Listen, ServiceRequest, and Talk events on GpibInterface.

Object that generated the event. GpibInterfaceEventArgs object that specifies information about the event.

Specifies the available events on the GpibInterface object.

All currently enabled events for DisableEvent, DiscardEvent, and WaitOnEvent must be operated on. For EnableEvent, all previously enable events must be operated on.

Used with EventType to indicate that the received event is not defined in GpibInterfaceEventType. Check the value of CustomEventType to get the integer value of the received event.

The local controller is sent a device clear message.

The GPIB controller gains or loses Controller-In-Charge (CIC) status.

The GPIB controller is addressed to listen.

The GPIB controller is addressed to talk.

A service request is received from the device or interface associated with the session.

A trigger interrupt is received from the device.

Provides data for the Trigger event on GpibInterface.

Overrides ToString.

A string representation of the object.

Gets the triggering mechanism on which the specified trigger event was received.

Represents the method that handles the Trigger event on GpibInterface.

Object that generated the event. GpibInterfaceTriggerEventArgs object that specifies information about the event.

Provides access to the device-level GPIB functionality available in VISA.

Provides access to the message-based functionality, such as reading and writing, available in VISA.

Defines the set of functionality that a session must implement to be message based.

Clears a device.

Reads the status byte of a service request.

The service request status byte. This status byte is a bitfield composed of several flags. The bitfield includes, but is not limited to, the values in StatusByteFlags. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Initiates an asynchronous read from a device.

Number of bytes to read. An IAsyncResult that represents this operation. Unable to queue the asynchronous operation because there is already an operation in progress. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Initiates an asynchronous read from a device and calls a delegate when the operation completes.

Number of bytes to read. Delegate to call when the asynchronous operation is complete. Object that contains additional user information. An IAsyncResult that represents this operation. Unable to queue the asynchronous operation because there is already an operation in progress. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Handles the end of an asynchronous read and returns the ASCII-encoded read string.

An asynchronous result that represents the asynchronous read operation that you want to end. A string that contains the read data. asyncResult (parameter) is null. asyncResult (parameter) has already been ended. -or- asyncResult (parameter) is not a read. -or- asyncResult (parameter) did not originate from VisaNS. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Handles the end of an asynchronous read and returns the read byte array.

An asynchronous result that represents the asynchronous read operation that you want to end. A byte array that contains the read data. asyncResult (parameter) is null. asyncResult (parameter) has already been ended. -or- asyncResult (parameter) is not a read. -or- asyncResult (parameter) did not originate from VisaNS. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Aborts all in-progress asynchronous read and write operations.

There are no asynchronous operations in progress. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Aborts an in-progress asynchronous read or write operation described by asyncResult.

Object associated with the asynchronous read or write that you want to terminate. The asynchronous operation associated with asyncResult (parameter) is not in-progress. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Initiates an asynchronous write with ASCII-encoded string data to a device.

String to write to the device. An IAsyncResult that represents this operation. Unable to queue the asynchronous operation because there is already an operation in progress. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Initiates an asynchronous write with ASCII-encoded string data to a device and delegates a call when the operation is complete.

String to write to the device. Delegate to call when the asynchronous operation is complete. Object that contains additional user information. An IAsyncResult that represents this operation. Unable to queue the asynchronous operation because there is already an operation in progress. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Initiates an asynchronous write with byte array data to a device.

Array of bytes to write to the device. Index in buffer from which writing must begin. Number of bytes to write. An IAsyncResult that represents this operation. Either offset (parameter) or count (parameter) is out of range. Unable to queue the asynchronous operation because there is already an operation in progress. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Initiates an asynchronous write with byte array data to a device and delegates a call when the operation is complete.

Array of bytes to write to the device. Index in buffer from which writing must begin. Number of bytes to write. Delegate to call when the asynchronous operation is complete. Object containing additional user information. An IAsyncResult that represents this operation. Either offset (parameter) or count (parameter) is out of range. Unable to queue the asynchronous operation because there is already an operation in progress. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Handles the end of an asynchronous write.

An asynchronous result that represents the asynchronous write operation that you want to end. asyncResult (parameter) is null. asyncResult (parameter) has already been ended. -or- asyncResult (parameter) is not a write. -or- asyncResult (parameter) did not originate from VisaNS. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Asserts a software or hardware trigger.

Synchronously reads ASCII-encoded string data from a device or interface.

Synchronously reads a specified amount of ASCII-encoded string data from a device or interface.

Synchronously reads byte array data from a device or interface.

Synchronously reads a specified amount of byte array data from a device or interface.

Synchronously reads data and stores the transferred data in a file.

Synchronously reads a specified amount of data and stores the transferred data in a file.

Synchronously writes ASCII-encoded string data to the device or interface.

Synchronously writes an array of bytes to the device or interface.

Gets data from a file and synchronously writes it to the device or interface.

Name of file from which the data is read. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Gets data from a file and synchronously writes a specified number of bytes to the device or interface.

Name of file from which the data is read. Number of bytes to write. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Performs a synchronous write of ASCII-encoded string data, followed by a synchronous read.

String data to write. String data read from the device. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Performs a synchronous write of ASCII-encoded string data, followed by a synchronous read of a specified number of characters.

String data to write. Number of characters to read from the device. String data read from the device. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Performs a synchronous write of byte array data, followed by a synchronous read.

Byte array data to write. Byte array data read from the device. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Performs a synchronous write of byte array data, followed by a synchronous read of a specified number of bytes.

Byte array data to write. Number of bytes to read. Byte array data read from the device. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Enables notification of an event.

MessageBasedSession event to enable. Event-handling mechanism to enable. Invalid mechanism (parameter) specified. -or- Specified event type is not supported by the resource. A handler is not currently installed for the specified event. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Disables notification of the specified event type on the specified event-handling mechanism.

MessageBasedSession event to disable. Event-handling mechanism to disable. Invalid mechanism (parameter) specified. -or- Specified event type is not supported by the resource. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Discards event occurrences for the specified event type on the queuing mechanism for a session.

MessageBasedSession event for which queued events are discarded. Invalid mechanism specified. -or- Specified event type is not supported by the resource. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Waits infinitely long for an occurrence of the specified event for a session.

MessageBasedSession event to wait on. MessageBasedSessionEventArgs object containing information about the event that occurred. Specified event type is not supported by the resource. The session must be enabled for events of the specified type in order to receive them. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Waits a specified time for an occurrence of the specified event for a session.

MessageBasedSession event to wait on. Maximum time in milliseconds that this method waits for the event to occur before throwing an exception. MessageBasedSessionEventArgs object containing information about the event that occurred. Specified event type is not supported by the resource. The session must be enabled for events of the specified type in order to receive them. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Get or sets a value indicating whether the ReadToFile method overwrites or appends data when opening a file.

Gets or sets the default size of read or write buffers when it is not explicitly defined as a parameter on read or write operations.

Gets or sets the I/O protocol to use for the current hardware interface.

Gets or sets a value indicating whether to assert END during the transfer of the last byte in the buffer.

Gets or sets the termination character.

Gets or sets a value indicating whether the read operation terminates when a termination character is received.

Occurs when the device associated with the session receives a service request.

Initializes a new instance of the MessageBasedSession object from the specified resource name.

Initializes a new instance of the MessageBasedSession object from the specified resource name, access mode, and timeout.

String that describes a unique VISA resource. Mode by which the specified VISA resource is accessed. Maximum time in milliseconds that this method waits to open a VISA session with the specified resource name. This parameter does not set the Timeout property. Insufficient location information, or the device or resource is not present in the system. -or- Invalid accessMode (parameter). -or- The interface type is valid, but the specified interface number is not configured. There are problems opening a VISA session to resourceName (parameter). The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Clears a device.

Reads the status byte of a service request.

The service request status byte. This value is a bitfield composed of several flags. The bitfield includes, but is not limited to, the values in StatusByteFlags. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Initiates an asynchronous read from a device.

Initiates an asynchronous read from a device and calls a delegate when the operation completes.

Handles the end of an asynchronous read and returns the ASCII-encoded read string.

Handles the end of an asynchronous read and returns the read byte array.

Aborts all in-progress asynchronous read and write operations.

Aborts an in-progress asynchronous read or write operation described by asyncResult (parameter).

Initiates an asynchronous write with ASCII-encoded string data to a device.

Initiates an asynchronous write with ASCII-encoded string data to a device and with the ability to pass additional information.

Initiates an asynchronous write with byte array data to a device.

Initiates an asynchronous write with byte array data to a device and with the ability to pass additional information.

Array of bytes to write to the device. Index in buffer from which writing must begin. Number of bytes to write. Delegate to call when the asynchronous operation is complete. Object that contains additional user information. An IAsyncResult that represents this operation. Either offset (parameter) or count (parameter) is out of range. Unable to queue the asynchronous operation because there is already an operation in progress. The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.

Handles the end of an asynchronous write.

Asserts a software or hardware trigger.

Synchronously reads ASCII-encoded string data from a device or interface.

Synchronously reads a specified amount of ASCII-encoded string data from a device or interface.

Synchronously reads byte array data from a device or interface.

Synchronously reads a specified amount of byte array data from a device or interface.

Synchronously reads data and stores the transferred data in a file.

Synchronously reads a specified amount of data and stores the transferred data in a file.

Name of file to which data is written. Number of bytes to be read. Unable to start operation because setup is invalid (due to properties being set to an inconsistent state). The NI-VISA driver returned an error as a result of calling this method. This member is called after the Dispose method is called directly from code or indirectly through a finalizer. The NI-VISA driver library cannot be found. A required operation in the NI-VISA driver library cannot be found.