[Mono-bugs] [Bug 441738] New: Scrolling on an Panel with AutoScroll = true causes flickering

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=441738


           Summary: Scrolling on an Panel with AutoScroll = true causes
                    flickering
           Product: Mono: Runtime
           Version: 2.0
          Platform: x86
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: misc
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: stifu at free.fr
         QAContact: mono-bugs at lists.ximian.com
          Found By: Community User


Created an attachment (id=249889)
 --> (https://bugzilla.novell.com/attachment.cgi?id=249889)
Testcase (sources + binaries)

See the testcase. 

Basically, we draw an image in a Panel, and as you scroll through the Panel, it
flickers and shows its BackColor (black, in the testcase), then shows the image
again once you stop scrolling.
With MS .NET, it's not perfect either (I don't know if it's intended behavior,
looks buggy to me), but at least the whole image doesn't flicker, you only see
the BackColor on a little part of the Panel, depending on how much you're
scrolling. It's clearly better on the eyes than the Mono behavior.


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