[Mono-bugs] [Bug 78587][Nor] New - ListView: navigating with the cursor keys after Items.Clear and SelectedItems.Clear

bugzilla-daemon at bugzilla.ximian.com bugzilla-daemon at bugzilla.ximian.com
Mon Jun 5 17:02:57 EDT 2006


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Changed by xenomorph2 at onlinehome.de.

http://bugzilla.ximian.com/show_bug.cgi?id=78587

--- shadow/78587	2006-06-05 17:02:57.000000000 -0400
+++ shadow/78587.tmp.16935	2006-06-05 17:02:57.000000000 -0400
@@ -0,0 +1,74 @@
+Bug#: 78587
+Product: Mono: Class Libraries
+Version: unspecified
+OS: 
+OS Details: 
+Status: NEW   
+Resolution: 
+Severity: 
+Priority: Normal
+Component: Windows.Forms
+AssignedTo: mkestner at ximian.com                            
+ReportedBy: xenomorph2 at onlinehome.de               
+QAContact: mono-bugs at ximian.com
+TargetMilestone: ---
+URL: 
+Cc: 
+Summary: ListView: navigating with the cursor keys after Items.Clear and SelectedItems.Clear
+
+When you clear all items in a ListView and then add new items navigating
+with the cursor keys is no longer possible.
+
+To reproduce this, open the filedialog sample. Select an item in the file
+ListView. Hit backspace and try to navigate with the cursor keys again.
+
+At least here it crashes immediately.
+
+Expected behaviour would be that the first of the new items has the focus.
+
+Unhandled Exception: System.NullReferenceException: Object reference not
+set to an instance of an object
+  at System.Windows.Forms.ListView.GetAdjustedIndex (Keys key) [0x00060] in
+/home/alex/develop/mcs/class/Managed.Windows.Forms/System.Windows.Forms/ListView.cs:1112
+  at System.Windows.Forms.ListView.ListView_KeyDown (System.Object sender,
+System.Windows.Forms.KeyEventArgs ke) [0x00089] in
+/home/alex/develop/mcs/class/Managed.Windows.Forms/System.Windows.Forms/ListView.cs:1222
+  at (wrapper delegate-invoke)
+System.MulticastDelegate:invoke_void_object_KeyEventArgs
+(object,System.Windows.Forms.KeyEventArgs)
+  at (wrapper delegate-invoke)
+System.MulticastDelegate:invoke_void_object_KeyEventArgs
+(object,System.Windows.Forms.KeyEventArgs)
+  at System.Windows.Forms.Control.OnKeyDown
+(System.Windows.Forms.KeyEventArgs e) [0x00018] in
+/home/alex/develop/mcs/class/Managed.Windows.Forms/System.Windows.Forms/Control.cs:4295
+  at System.Windows.Forms.Control.ProcessKeyEventArgs
+(System.Windows.Forms.Message msg) [0x00051] in
+/home/alex/develop/mcs/class/Managed.Windows.Forms/System.Windows.Forms/Control.cs:3335
+  at System.Windows.Forms.Control.ProcessKeyMessage
+(System.Windows.Forms.Message msg) [0x00027] in
+/home/alex/develop/mcs/class/Managed.Windows.Forms/System.Windows.Forms/Control.cs:3370
+  at System.Windows.Forms.Control.WndProc (System.Windows.Forms.Message m)
+[0x008d7] in
+/home/alex/develop/mcs/class/Managed.Windows.Forms/System.Windows.Forms/Control.cs:4059
+  at System.Windows.Forms.ListView.WndProc (System.Windows.Forms.Message m)
+[0x00007] in
+/home/alex/develop/mcs/class/Managed.Windows.Forms/System.Windows.Forms/ListView.cs:1761
+  at System.Windows.Forms.Control+ControlNativeWindow.WndProc
+(System.Windows.Forms.Message m) [0x0000c] in
+/home/alex/develop/mcs/class/Managed.Windows.Forms/System.Windows.Forms/Control.cs:162
+  at System.Windows.Forms.NativeWindow.WndProc (IntPtr hWnd, Msg msg,
+IntPtr wParam, IntPtr lParam) [0x0005b] in
+/home/alex/develop/mcs/class/Managed.Windows.Forms/System.Windows.Forms/NativeWindow.cs:146
+  at System.Windows.Forms.XplatUIX11.DispatchMessage
+(System.Windows.Forms.MSG msg) [0x00022] in
+/home/alex/develop/mcs/class/Managed.Windows.Forms/System.Windows.Forms/XplatUIX11.cs:2662
+  at System.Windows.Forms.XplatUI.DispatchMessage (System.Windows.Forms.MSG
+msg) [0x0000c] in
+/home/alex/develop/mcs/class/Managed.Windows.Forms/System.Windows.Forms/XplatUI.cs:420
+  at System.Windows.Forms.Application.RunLoop (Boolean Modal,
+System.Windows.Forms.ApplicationContext context) [0x00244] in
+/home/alex/develop/mcs/class/Managed.Windows.Forms/System.Windows.Forms/Application.cs:490
+  at System.Windows.Forms.Form.ShowDialog (IWin32Window ownerWin32)
+[0x000b4] in
+/home/alex/develop/mcs/class/Managed.Windows.Forms/System.Windows.Forms/Form.cs:1208


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