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Protected Overrides ReadOnly Property CreateParams() As CreateParams
    Get
        Dim result As CreateParams = MyBase.CreateParams
        result.ExStyle = result.ExStyle Or &H2000000
        ' WS_EX_COMPOSITED
        Return result
    End Get
End Property
Ben Voigt
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Marvin Cunanan
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    Explain what you mean by "doesn't work". Is there an exception? Window doesn't get created? Window is created but behaves differently than expected? – Ben Voigt Apr 24 '17 at 06:34
  • I mean there is a bug when minimizing and maximizing the form, all controls are invisible. Removing &H2000000 fix the problem, but the controls start to flicker. – Marvin Cunanan Apr 25 '17 at 08:23
  • same issue here with Windows10, did you find a solution ? – Franreau Jul 07 '17 at 18:48
  • Not yet.. how someone find a solution – Marvin Cunanan Jan 18 '18 at 08:30
  • 0x2000000 is WS_EX_COMPOSITED, it may be related to how the app itself behaves, not necessarily Windows: https://devblogs.microsoft.com/oldnewthing/20171018-00/?p=97245 do you have a small project reproducing the issue? – Simon Mourier Apr 02 '20 at 06:53
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    This got broken in "insider edition" versions of Win10. Redstone2 in particular made sweeping changes in user32.dll, technical debt built up over the past decade getting paid back. Not the only problem, there were many more on the bug list. I never heard of anybody having trouble with the release version. Why users don't upgrade from their preview version is very hard to guess. Probably a licensing issue, the preview editions are free. – Hans Passant Apr 02 '20 at 21:36

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