[Mono-bugs] [Bug 371990] ComboBox: drop-down doesn't scroll when using arrow keys

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=371990

User andyhume32 at yahoo.co.uk added comment
https://bugzilla.novell.com/show_bug.cgi?id=371990#c2


Andy Hume <andyhume32 at yahoo.co.uk> changed:

           What    |Removed                                         |Added
----------------------------------------------------------------------------
             Status|RESOLVED                                        |REOPENED
         Resolution|FIXED                                           |




--- Comment #2 from Andy Hume <andyhume32 at yahoo.co.uk>  2008-03-26 03:54:23 MST ---
There's a wee regression. :-(  Wwhen the drop-down is closed any arrow-key
press causes a NRE.

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

at System.Windows.Forms.ComboBox.OnKeyDownCB
(object,System.Windows.Forms.KeyEventArgs) [0x000db]
at System.Windows.Forms.Control.OnKeyDown (System.Windows.Forms.KeyEventArgs)
[0x0001c]
at System.Windows.Forms.ComboBox.OnKeyDown (System.Windows.Forms.KeyEventArgs)
[0x00000]
at System.Windows.Forms.Control.ProcessKeyEventArgs
(System.Windows.Forms.Message&) [0x0004a]
at System.Windows.Forms.ComboBox.ProcessKeyEventArgs
(System.Windows.Forms.Message&) [0x00000]
at System.Windows.Forms.Control.ProcessKeyMessage
(System.Windows.Forms.Message&) [0x0001e]
at System.Windows.Forms.Control.WmKeys (System.Windows.Forms.Message&)
[0x00000]
at System.Windows.Forms.Control.WndProc (System.Windows.Forms.Message&)
[0x0020c]
at System.Windows.Forms.ComboBox.WndProc (System.Windows.Forms.Message&)
[0x000bc]
at ControlWindowTarget.OnMessage (System.Windows.Forms.Message&) [0x00000]
..trimmed and truncated...
]]


Also, in DropDownList mode I've just noticed that Home and End keypresses
navigate to the first and last item respectively.  Do we want to support that
too?  (In the other styles they of course navigate within the text field).


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