[Mono-bugs] [Bug 80768][Nor] New - ObjectDisposedException closing form in Paint

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Fri Feb 9 03:45:56 EST 2007


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Changed by gert.driesen at pandora.be.

http://bugzilla.ximian.com/show_bug.cgi?id=80768

--- shadow/80768	2007-02-09 03:45:56.000000000 -0500
+++ shadow/80768.tmp.25935	2007-02-09 03:45:56.000000000 -0500
@@ -0,0 +1,63 @@
+Bug#: 80768
+Product: Mono: Class Libraries
+Version: 1.2
+OS: GNU/Linux [Other]
+OS Details: 
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Normal
+Component: Windows.Forms
+AssignedTo: toshok at ximian.com                            
+ReportedBy: gert.driesen at pandora.be               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: ObjectDisposedException closing form in Paint
+
+When closing a form in the Paint eventhandler, an ObjectDisposedException 
+is reported:
+
+System.ObjectDisposedException: The object was used after being disposed.
+  at System.Windows.Forms.Control.CreateHandle () [0x00000] 
+  at System.Windows.Forms.Form.CreateHandle () [0x00000] 
+  at System.Windows.Forms.Control.get_Handle () [0x00000] 
+  at (wrapper remoting-invoke-with-check) 
+System.Windows.Forms.Control:get_Handle ()
+  at System.Windows.Forms.Control.WndProc (System.Windows.Forms.Message& 
+m) [0x00000] 
+  at System.Windows.Forms.ScrollableControl.WndProc 
+(System.Windows.Forms.Message& m) [0x00000] 
+  at System.Windows.Forms.ContainerControl.WndProc 
+(System.Windows.Forms.Message& m) [0x00000] 
+  at System.Windows.Forms.Form.WndProc (System.Windows.Forms.Message& m) 
+[0x00000] 
+  at System.Windows.Forms.Control+ControlNativeWindow.WndProc 
+(System.Windows.Forms.Message& m) [0x00000] 
+  at System.Windows.Forms.NativeWindow.WndProc (IntPtr hWnd, Msg msg, 
+IntPtr wParam, IntPtr lParam) [0x00000] 
+
+To reproduce, compile and run the following code snippet:
+
+using System;
+using System.Windows.Forms;
+
+public class MainForm : Form
+{
+  public MainForm ()
+  {
+    Paint += new PaintEventHandler (MainForm_Paint);
+  }
+
+  void MainForm_Paint (object sender, PaintEventArgs e)
+  {
+    Close ();
+  }
+
+  [STAThread]
+  static void Main ()
+  {
+    Application.Run (new MainForm ());
+  }
+}


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