---- Reported by gert.driesen@pandora.be 2007-09-11 13:51:30 MST ----

When using the keyboard to drop down a menu, a NullReferenceException is 
thrown in ToolStripManager.ProcessMenuKey:

Unhandled Exception: System.NullReferenceException: Object reference not 
set to an instance of an object

at System.Windows.Forms.ToolStripManager.ProcessMenuKey 
(System.Windows.Forms.Message&) <0x0011d>
at System.Windows.Forms.Control.WmSysKeyUp (System.Windows.Forms.Message&) 
<0x00113>
at System.Windows.Forms.Control.WndProc (System.Windows.Forms.Message&) 
<0x002ff>
at System.Windows.Forms.ScrollableControl.WndProc 
(System.Windows.Forms.Message&) <0x0000d>
at System.Windows.Forms.ToolStrip.WndProc (System.Windows.Forms.Message&) 
<0x0000d>
at System.Windows.Forms.ToolStripDropDown.WndProc 
(System.Windows.Forms.Message&) <0x00059>
at ControlWindowTarget.OnMessage (System.Windows.Forms.Message&) <0x00014>
at ControlNativeWindow.WndProc (System.Windows.Forms.Message&) <0x00022>
at System.Windows.Forms.NativeWindow.WndProc 
(intptr,System.Windows.Forms.Msg,intptr,intptr) <0x0015c>
at System.Windows.Forms.XplatUIWin32.InternalWndProc 
(intptr,System.Windows.Forms.Msg,intptr,intptr) <0x00046>
at (wrapper native-to-managed) 
System.Windows.Forms.XplatUIWin32.InternalWndProc
 (intptr,System.Windows.Forms.Msg,intptr,intptr) <0x0004d>
at (wrapper managed-to-native) 
System.Windows.Forms.XplatUIWin32.Win32DispatchMessage 
(System.Windows.Forms.MSG&) <0x00004>
at System.Windows.Forms.XplatUIWin32.DispatchMessage 
(System.Windows.Forms.MSG&) <0x0000a>
at System.Windows.Forms.XplatUI.DispatchMessage 
(System.Windows.Forms.MSG&) <0x00015>
at System.Windows.Forms.Application.RunLoop 
(bool,System.Windows.Forms.ApplicationContext) <0x00735>
at System.Windows.Forms.Application.Run (System.Windows.Forms.Form) 
<0x00024>
at MainForm.Main () <0x0001f>

To reproduce:
1. compile and run the attached source code.
2. follow the on-screen instructions.



---- Additional Comments From gert.driesen@pandora.be 2007-09-11 14:03:51 MST ----

Created an attachment (id=172667)
Repro




---- Additional Comments From monkey@jpobst.com 2007-09-13 12:59:38 MST ----

I think this is fixed in r85763, but please verify as I had a hard
time consistently reproducing the bug.  Thanks!

2007-09-13  Jonathan Pobst  <monkey@jpobst.com>

	* ToolStrip.cs: Don't FocusInternal if there is no selected item.
	This was causing keyboard opened dropdowns to lose focus.
	[Fixes https://bugzilla.novell.com/show_bug.cgi?id=MONO82803]

Imported an attachment (id=172667)

Unknown operating system unknown. Setting to default OS "Other".