[Mono-bugs] [Bug 360666] New: PropertyGrid: messagebox infinite loop when unsupported type

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=360666


           Summary: PropertyGrid: messagebox infinite loop when unsupported
                    type
           Product: Mono: Class Libraries
           Version: SVN
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Windows.Forms
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: andyhume32 at yahoo.co.uk
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---


I presume it applies to all unsupported types but I've only seen it in the case
here.  Repro program is attached (in VB for variety -- easily convertible if
necessary).

The repro creates a simple form with a PropertyGrid, ComboBox and StatusStrip. 
The combo changes the PG to display one of the controls.  Selecting the
StatusStrip control causes a sequence of message-boxes with content:
[[
---------------------------
Properties Window
---------------------------
Unable to load UITypeEditor for property 'Items'.
---------------------------
OK   
---------------------------
]]

Sometimes hitting OK simply displays the same dialog repeatdly, thus one has to
kill the program externally.  Sometimes the sequence is shorter, e.g. 4 long.

I guess there's always the possibility of an unsupported type and thus we need
to degrade gracefully.

BTW the property Items has type ToolStripItemCollection.  So implementation of
that required sometime...


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