Bug 4257 - Exception in texteditor crashes monodevelop
Summary: Exception in texteditor crashes monodevelop
Alias: None
Product: Xamarin Studio
Classification: Desktop
Component: Text Editor ()
Version: Trunk
Hardware: PC Mac OS
: High normal
Target Milestone: ---
Assignee: Mike Krüger
Depends on:
Reported: 2012-04-05 07:29 UTC by Alan McGovern
Modified: 2012-04-05 10:54 UTC (History)
1 user (show)

Is this bug a regression?: ---
Last known good build:

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Description Alan McGovern 2012-04-05 07:29:03 UTC
I was pasting some code into the texteditor while the 'Changes' view was open and got this exception which killed monodevelop:

System.NullReferenceException: A null value was found where an object instance was required.
  at Mono.TextEditor.HeightTree.VisualToLogicalLine (Int32 visualLineNumber) [0x00053] in /Users/alanmcgovern/Projects/monodevelop/main/src/core/Mono.Texteditor/Mono.TextEditor/HeightTree.cs:341 
  at Mono.TextEditor.TextEditorData.VisualToLogicalLine (Int32 visualLineNumber) [0x00000] in /Users/alanmcgovern/Projects/monodevelop/main/src/core/Mono.Texteditor/Mono.TextEditor/TextEditorData.cs:1363 
  at Mono.TextEditor.TextEditor.RenderMargins (Cairo.Context cr, Cairo.Context textViewCr, Rectangle cairoRectangle) [0x00083] in /Users/alanmcgovern/Projects/monodevelop/main/src/core/Mono.Texteditor/Mono.TextEditor/Gui/TextEditor.cs:1601 
  at Mono.TextEditor.TextEditor.OnExposeEvent (Gdk.EventExpose e) [0x000f0] in /Users/alanmcgovern/Projects/monodevelop/main/src/core/Mono.Texteditor/Mono.TextEditor/Gui/TextEditor.cs:1680 
  at Gtk.Widget.exposeevent_cb (IntPtr widget, IntPtr evnt) [0x00000] in <filename unknown>:0
Comment 1 Mike Krüger 2012-04-05 10:51:22 UTC