4506b42ce9
wxPanel didn't inherit the background colour set for its parent any more in wxMSW because its HasTransparentBackground() didn't return true unless the panel was a child of wxNotebook. This was wrong because not only themed notebook background should be inherited but also any solid background explicitly set for a panel parent. Fix this by returning true from MSWHasInheritableBackground(), which is used by wxPanel::HasTransparentBackground() under MSW, if the window has an explicitly set and inheritable background colour. Closes #13487. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69348 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 |
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wx |