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C4IT_DataHistoryProvider_Test/ctrlProtocolBox.cs

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+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 System.Threading;
+
+using C4IT.DataHistoryProvider;
+
+namespace C4IT_DataHistoryProvider_Test
+{
+    public partial class ctrlProtocolBox : UserControl
+    {
+        public ctrlProtocolBox()
+        {
+            InitializeComponent();
+        }
+
+        public void ProcessMessage(string Message)
+        {
+            Invoke(new ThreadStart(() =>
+            {
+                try
+                {
+                    lock (richTextBox1)
+                    {
+                        if (richTextBox1.Lines.Length > 512)
+                        {
+                            richTextBox1.ReadOnly = false;
+                            richTextBox1.Select(0, richTextBox1.GetFirstCharIndexFromLine(richTextBox1.Lines.Length - 512));
+                            richTextBox1.SelectedText = "";
+                            richTextBox1.ReadOnly = true;
+                        }
+                        richTextBox1.AppendText(Message);
+                        richTextBox1.AppendText(Environment.NewLine);
+                        Application.DoEvents();
+                    }
+                }
+                catch { }
+            }));
+        }
+
+        public void ProcessMessage(cDataHistoryUiStatusMessage Message)
+        {
+            string line = new string(' ', Message.Indent * 3) + Message.Message;
+            ProcessMessage(line);
+        }
+
+        public void ClearMessages()
+        {
+            Invoke(new ThreadStart(() =>
+            {
+                try
+                {
+                    lock (richTextBox1)
+                    {
+                        richTextBox1.Text = "";
+                        Application.DoEvents();
+                    }
+                }
+                catch { }
+            }));
+        }
+
+        private void ctrlProtocolBox_Load(object sender, EventArgs e)
+        {
+            richTextBox1.HideSelection = false;
+        }
+
+
+    }
+}