[Mono-bugs] [Bug 438772] New: Impossible to build dynamic munu in ToolStripDropDownItem .OnDropDownOpening

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=438772


           Summary: Impossible to build dynamic munu in
                    ToolStripDropDownItem.OnDropDownOpening
           Product: Mono: Class Libraries
           Version: 2.0
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Windows.Forms
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: aypetrov at yandex.ru
         QAContact: mono-bugs at lists.ximian.com
          Found By: DeveloperNet


ToolStripDropDownItem.OnDropDownOpening is called not in time.

File:
mcs\class\Managed.Windows.Forms\System.Windows.Forms\ToolStripDropDownItem.cs

Class: ToolStripDropDownItem
Method: ShowDropDown

HasDropDownItems check must not be performed before OnDropDownOpening to allow
dynamic menu building inside of OnDropDownOpening as it possible in dotNet.
If a menu is initially empty (DropDown.Items.Count == 0) then OnDropDownOpening
won't be called on Mono. It is wrong.
So currently I have to add dummy item as workaround.


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