JG_TpsLabStudio_LTS/tps/TpsLabStudio/views/FrmMsg.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using Tps_LQ_Transmitter.com;

namespace Tps_LQ_Transmitter.views
{
    public partial class FrmMsg : Form
    {
        public FrmMsg()
        {
            InitializeComponent();
        }

        private void BtnClear_Click(object sender, EventArgs e)
        {
            this.richTextBox1.Clear();
        }

        List<TestMessage> frmMainMsgs;
        int index = 1;
        public void ShowMsg(List<TestMessage> msgs)
        {
            if (msgs == null)
                return;

            frmMainMsgs = msgs;
            if (this.Visible == true)
            {
                if(this.InvokeRequired)
                {
                    this.Invoke(new Action(() => {
                        if (this.richTextBox1.Text.Length > 1024000)
                            this.richTextBox1.Clear();

                        foreach (var item in msgs)
                        {
                            richTextBox1.AppendText(string.Format("{0} {1}:{2}{3}", index.ToString(), item.type.ToString(), item.message, Environment.NewLine));
                        }
                        index++;
                        msgs.Clear();
                    }));
                }
                else
                {
                    if (this.richTextBox1.Text.Length > 1024000)
                        this.richTextBox1.Clear();

                    foreach (var item in msgs)
                    {
                        richTextBox1.AppendText(string.Format("{0} {1}:{2}{3}", index.ToString(), item.type.ToString(), item.message, Environment.NewLine));
                    }
                    index++;
                    msgs.Clear();
                }
            }
        }

        public void ClearMsg()
        {
            if (this.InvokeRequired)
            {
                this.Invoke(new Action(() => {
                    this.richTextBox1.Clear();
                }));
            }
            else
            {
                this.richTextBox1.Clear();
            }
            index = 1;
        }

        private void FrmMsg_VisibleChanged(object sender, EventArgs e)
        {
            if(this.Visible)
            {
                ShowMsg(this.frmMainMsgs);
            }
        }
    }
}