[Mono-bugs] [Bug 77854][Maj] New - Textbox or Richtextbox controls won't work!

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Mon Mar 20 07:01:42 EST 2006

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Changed by yoshi_yaki at msn.com.


--- shadow/77854	2006-03-20 07:01:42.000000000 -0500
+++ shadow/77854.tmp.13084	2006-03-20 07:01:42.000000000 -0500
@@ -0,0 +1,108 @@
+Bug#: 77854
+Product: Mono: Runtime
+Version: 1.1
+OS Details: Slackware 10, 2.6.12 Linux Kernel
+Status: NEW   
+Severity: Unknown
+Priority: Major
+Component: JIT
+AssignedTo: lupus at ximian.com                            
+ReportedBy: yoshi_yaki at msn.com               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+Summary: Textbox or Richtextbox controls won't work!
+Please fill in this template when reporting a bug, unless you know what you
+are doing.
+Description of Problem:
+Steps to reproduce the problem:
+1.Code up any Form with a Textbox or Richtextbox 
+2.mcs -r:System.Windows.Forms.dll -r:System.Drawing.dll new.cs
+3.mono new.exe
+Here is the actual code I used:
+using System;
+using System.Drawing;
+using System.Windows.Forms;
+//using System.Data;
+namespace Linux2WindowsApp
+public class Form1 : Form
+ TextBox rt1 = new TextBox();
+ public Form1()
+ {
+  rt1.Location = new Point(126, 28);
+  rt1.Name = "rt1";
+  rt1.Size = new Size(112, 20);
+  rt1.Text = "";
+  Controls.Add(rt1);
+ }
+ static void Main()
+ {
+  Application.Run(new Form1());
+ }
+Actual Results:
+mono new.exe
+Mono System.Windows.Forms Assembly [Revision: 54007; built: 2005/12/6 14:35:24]
+Keyboard: United States keyboard layout (phantom key version)
+Gtk colorscheme read
+Unhandled Exception: System.NullReferenceException: Object reference not
+set to an instance of an object
+in <0x0048d> System.Windows.Forms.Line:RecalculateLine
+(System.Drawing.Graphics g, System.Windows.Forms.Document doc)
+in <0x000ce> System.Windows.Forms.Document:RecalculateDocument
+(System.Drawing.Graphics g, Int32 start, Int32 end, Boolean optimize)
+in <0x00017> System.Windows.Forms.Document:RecalculateDocument
+(System.Drawing.Graphics g)
+in <0x00026> System.Windows.Forms.Document:owner_HandleCreated
+(System.Object sender, System.EventArgs e)
+in (wrapper delegate-invoke)
+System.MulticastDelegate:invoke_void_object_EventArgs (object,System.EventArgs)
+in <0x00023> System.Windows.Forms.Control:OnHandleCreated (System.EventArgs e)
+in <0x0000d> System.Windows.Forms.TextBoxBase:OnHandleCreated
+(System.EventArgs e)
+in <0x0000d> System.Windows.Forms.TextBox:OnHandleCreated (System.EventArgs e)
+in <0x00240> System.Windows.Forms.Control:CreateHandle ()
+in <0x0000a> System.Windows.Forms.TextBoxBase:CreateHandle ()
+in <0x00024> System.Windows.Forms.Control:get_Handle ()
+in (wrapper remoting-invoke-with-check)
+System.Windows.Forms.Control:get_Handle ()
+in <0x0005b> System.Windows.Forms.Document:PositionCaret
+(System.Windows.Forms.Line line, Int32 pos)
+in <0x00321> System.Windows.Forms.TextBoxBase:set_Text (System.String value)
+in <0x0000d> System.Windows.Forms.TextBox:set_Text (System.String value)
+in <0x000df> Linux2WindowsApp.Form1:.ctor ()
+in (wrapper remoting-invoke-with-check) Linux2WindowsApp.Form1:.ctor ()
+in <0x00018> Linux2WindowsApp.Form1:Main ()
+Expected Results:
+New window with my textbox in it.
+How often does this happen? 
+Additional Information:
+I've installed 3 times now to try and get it to work. mono-1.1.10, 
+mono-, and mono- again. Please help with a fix.

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