another fix for MDI styles
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9214 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@@ -1089,10 +1089,14 @@ bool wxMDIChildFrame::ResetWindowStyle(void *vrect)
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if (!pChild || (pChild == this))
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{
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HWND hwndClient = GetWinHwnd(pFrameWnd->GetClientWindow());
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DWORD dwStyle = ::GetWindowLong(hwndClient, GWL_STYLE);
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DWORD dwThisStyle = ::GetWindowLong(GetHwnd(), GWL_STYLE);
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DWORD dwStyle = ::GetWindowLong(hwndClient, GWL_EXSTYLE);
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// we want to test whether there is a maximized child, so just set
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// dwThisStyle to 0 if there is no child at all
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DWORD dwThisStyle = pChild
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? ::GetWindowLong(GetWinHwnd(pChild), GWL_STYLE) : NULL;
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DWORD dwNewStyle = dwStyle;
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if (pChild != NULL && (dwThisStyle & WS_MAXIMIZE))
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if ( dwThisStyle & WS_MAXIMIZE )
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dwNewStyle &= ~(WS_EX_CLIENTEDGE);
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else
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dwNewStyle |= WS_EX_CLIENTEDGE;
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