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silently ignore NULL pointers in MSWOnMeasureItem(): apparently this can happen with MDI frames under XP

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@33491 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2005-04-10 22:13:33 +00:00
parent bcb8ba61c3
commit b6afa1a38a
1 changed files with 9 additions and 1 deletions
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10
src/msw/window.cpp
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@ -3656,7 +3656,15 @@ wxWindowMSW::MSWOnMeasureItem(int id, WXMEASUREITEMSTRUCT *itemStruct)
{
wxMenuItem *pMenuItem = (wxMenuItem *)(pMeasureStruct->itemData);
wxCHECK_MSG( pMenuItem && pMenuItem->IsKindOf(CLASSINFO(wxMenuItem)),
// according to Carsten Fuchs the pointer may be NULL under XP if an
// MDI child frame is initially maximized, see this for more info:
// http://article.gmane.org/gmane.comp.lib.wxwidgets.general/27745
//
// so silently ignore it instead of asserting
if ( !pMenuItem )
return false;
wxCHECK_MSG( wxDynamicCast(pMenuItem, wxMenuItem),
false, _T("MSWOnMeasureItem: bad wxMenuItem pointer") );
size_t w, h;