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don't crash when destroying window with scrollbars

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42958 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
2006-11-02 18:57:44 +00:00
parent b9060f3324
commit 478db4fc86
1 changed files with 8 additions and 0 deletions
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8
src/univ/winuniv.cpp
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@@ -196,6 +196,14 @@ wxWindow::~wxWindow()
{ {
m_isBeingDeleted = true; m_isBeingDeleted = true;
#if wxUSE_SCROLLBAR
// clear pointers to scrollbar before deleting the children: they are
// children and so will be deleted by DestroyChildren() call below and if
// any code using the scrollbars would be called in the process or from
// ~wxWindowBase, the app would crash:
m_scrollbarVert = m_scrollbarHorz = NULL;
#endif
// we have to destroy our children before we're destroyed because our // we have to destroy our children before we're destroyed because our
// children suppose that we're of type wxWindow, not just wxWindowNative, // children suppose that we're of type wxWindow, not just wxWindowNative,
// and so bad things may happen if they're deleted from the base class dtor // and so bad things may happen if they're deleted from the base class dtor