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don't dereference NULL parent in wxMDIChildFrame dtor if it hadn't been really created [backport from HEAD]

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@46112 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2007-05-18 16:33:45 +00:00
parent ce631c0b13
commit 695911ebea
1 changed files with 4 additions and 0 deletions
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4
src/msw/mdi.cpp
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@@ -778,6 +778,10 @@ bool wxMDIChildFrame::Create(wxMDIParentFrame *parent,
wxMDIChildFrame::~wxMDIChildFrame() wxMDIChildFrame::~wxMDIChildFrame()
{ {
// if we hadn't been created, there is nothing to destroy
if ( !m_hWnd )
return;
// will be destroyed by DestroyChildren() but reset them before calling it // will be destroyed by DestroyChildren() but reset them before calling it
// to avoid using dangling pointers if a callback comes in the meanwhile // to avoid using dangling pointers if a callback comes in the meanwhile
#if wxUSE_TOOLBAR #if wxUSE_TOOLBAR