[Mono-bugs] [Bug 82415][Nor] New - RichEdit.AppendText throws OOM Exception

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Sat Aug 11 21:52:17 EDT 2007


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Changed by charlie at nunit.com.

http://bugzilla.ximian.com/show_bug.cgi?id=82415

--- shadow/82415	2007-08-11 21:52:17.000000000 -0400
+++ shadow/82415.tmp.14046	2007-08-11 21:52:17.000000000 -0400
@@ -0,0 +1,66 @@
+Bug#: 82415
+Product: Mono: Class Libraries
+Version: 1.2
+OS: 
+OS Details: Windows XP
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Normal
+Component: Windows.Forms
+AssignedTo: toshok at ximian.com                            
+ReportedBy: charlie at nunit.com               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: RichEdit.AppendText throws OOM Exception
+
+Please fill in this template when reporting a bug, unless you know what you
+are doing.
+Description of Problem:
+Repeatedly calling AppendText on a RichEdit control after the control has
+been created causes an Out Of Memory Exception.
+
+
+Steps to reproduce the problem:
+1. Compile this test 
+
+using System;
+using System.Windows.Forms;
+
+namespace MonoTests
+{
+	/// <summary>
+	/// Summary description for Main.
+	/// </summary>
+	public class Program
+	{
+		public static void Main()
+		{
+			RichTextBox textBox = new RichTextBox();
+			textBox.CreateControl();
+			for( int i = 1; i <= 1000; i++ )
+				textBox.AppendText( string.Format( "This is line {0}", i ) );
+			Console.WriteLine( "Test Completed!" );
+		}
+	}
+}
+
+2. Run under Windows: Test Completed!
+ 
+3. Run under Mono: Exception is thrown 
+
+Actual Results:
+
+
+Expected Results:
+
+
+How often does this happen? 
+
+
+Additional Information:
+It doesn't happen with a standard textbox.
+It doesn't happen if you comment out the CreateControl() line.
+I haven't tried it under Linux.


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