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a guest Sep 14th, 2018 55 Never
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  1. AccessViolation occurs in RichTextBox.ScrollToCaret
  2. public void AppendLog(string message)
  3.     {
  4.         try
  5.         {
  6.             if (this.InvokeRequired)
  7.             {
  8.                 this.Invoke(new Action<string>(this.AppendLog), message);
  9.             }
  10.             else
  11.             {
  12.                 lock (_logSyncRoot)
  13.                 {
  14.  
  15.                     if (rtbLog.TextLength > 100000)
  16.                         rtbLog.ResetText();
  17.  
  18.                     rtbLog.AppendText(message);
  19.                     rtbLog.ScrollToCaret();
  20.                 }
  21.             }
  22.         }
  23.         catch (Exception ex)
  24.         {
  25.             Logger.LogException(ex);
  26.         }
  27.     }
  28.    
  29. at System.Windows.Forms.UnsafeNativeMethods.CallWindowProc(IntPtr wndProc, IntPtr hWnd, Int32 msg, IntPtr wParam, IntPtr lParam)
  30.   at System.Windows.Forms.NativeWindow.DefWndProc(Message& m)
  31.  at System.Windows.Forms.Control.DefWndProc(Message& m)
  32. at System.Windows.Forms.Control.WndProc(Message& m)
  33. at System.Windows.Forms.TextBoxBase.WndProc(Message& m)
  34. at System.Windows.Forms.RichTextBox.WndProc(Message& m)
  35. at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
  36. at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
  37. at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
  38. at System.Windows.Forms.UnsafeNativeMethods.SendMessage(HandleRef hWnd, Int32 msg, Int32 wParam, Object& editOle)
  39. at System.Windows.Forms.TextBoxBase.ScrollToCaret()
  40. at MyApp.UI.OfflineAnalyzer.AppendLog(String message) in    D:MyAppCodeChartingOfflineAnalyzer.cs:line 339
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