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Don't crash in wxActiveXContainer if FindConnectionPoint() failed.

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This method is supposed to succeed but don't crash by calling Advise() on NULL
pointer if it did not.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62779 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2009-12-05 14:25:53 +00:00
parent 384a14ff32
commit e5a1bd6409
1 changed files with 8 additions and 5 deletions
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3
src/msw/ole/activex.cpp
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@@ -1022,6 +1022,8 @@ void wxActiveXContainer::CreateActiveX(REFIID iid, IUnknown* pUnk)
cpContainer->FindConnectionPoint(ta->guid, cp.GetRef()); cpContainer->FindConnectionPoint(ta->guid, cp.GetRef());
CHECK_HR(hret); CHECK_HR(hret);
if ( cp )
{
IDispatch* disp; IDispatch* disp;
m_frameSite->QueryInterface(IID_IDispatch, (void**)&disp); m_frameSite->QueryInterface(IID_IDispatch, (void**)&disp);
hret = cp->Advise(new wxActiveXEvents(this, ta->guid), hret = cp->Advise(new wxActiveXEvents(this, ta->guid),
@@ -1029,6 +1031,7 @@ void wxActiveXContainer::CreateActiveX(REFIID iid, IUnknown* pUnk)
CHECK_HR(hret); CHECK_HR(hret);
} }
} }
}
ti->ReleaseTypeAttr(ta); ti->ReleaseTypeAttr(ta);
} }