[Mono-bugs] [Bug 542481] New: Extended TreeView control has some rendering issues

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Sun Sep 27 06:50:03 EDT 2009


           Summary: Extended TreeView control has some rendering issues
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.4.x
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Windows.Forms
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: novall at game-point.net
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---

My control, which extends TreeView, is not rendering properly in Mono; there
appear to be 2 issues, and I'm not sure whether they're related or not.

The control itself only uses .NET stuff, no pinvoke, so I'm pretty sure I'm
doing things 'right' there... it works fine in Win32 .NET.  The source, which
itself constitutes a pretty compact test-case, can be downloaded via SVN from:

Be sure to make the GooeyUtilitiesTester the startup project.  Click 'Test
GooeyTree'; on that dialog, you'll see at the top my extended TreeView, and at
the bottom a regular one.  2 issues manifest themselves in Mono - first, when
you click a checkbox on my control, the node doesn't re-render.  However it
does appear to have changed the state icon because when you double click on the
node to expand it, and it re-renders, it does update the state icon (checkbox).
 Second, the +/- boxes for expanding the nodes don't seem to respond.  I can't
figure out why either of these are happening, but it does seem to be Mono's
fault. :-)

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