[Mono-bugs] [Bug 79812][Nor] New - Exception adding non string objects to a sorted ComboBox

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Thu Nov 2 16:34:46 EST 2006

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Changed by monkey at jpobst.com.


--- shadow/79812	2006-11-02 16:34:45.000000000 -0500
+++ shadow/79812.tmp.19142	2006-11-02 16:34:45.000000000 -0500
@@ -0,0 +1,43 @@
+Bug#: 79812
+Product: Mono: Class Libraries
+Version: 1.1
+OS Details: 
+Status: NEW   
+Priority: Normal
+Component: Windows.Forms
+AssignedTo: toshok at ximian.com                            
+ReportedBy: monkey at jpobst.com               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+Summary: Exception adding non string objects to a sorted ComboBox
+Description of Problem:
+If you add a second non-string object to a sorted combobox, the sort
+mechanism tries to cast each object as a string, resulting in an
+Steps to reproduce the problem:
+1. Run attached program. 
+Actual Results:
+Unhandled Exception: System.InvalidCastException: Cannot cast from source
+type to destination type.
+  at System.Windows.Forms.ComboBox+ObjectCollection.AddItem (System.Object
+item) [0x00000] 
+  at System.Windows.Forms.ComboBox+ObjectCollection.Add (System.Object
+item) [0x00000] 
+  at MonoTest32.Form1..ctor () [0x00000] 
+  at (wrapper remoting-invoke-with-check) MonoTest32.Form1:.ctor ()
+  at MonoTest32.Form1.Main () [0x00000] 
+Expected Results:
+Form with combobox with 2 items.
+Additional Information:
+The crash is line 1424 is ComboBox:
+foreach (string s in object_items) {

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