make sure we catch invalid control refs better

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41064 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2006-09-08 08:27:32 +00:00 · 2006-09-08 08:27:32 +00:00 · 8c981ec64d
commit 8c981ec64d
parent 9c3af83154
1 changed files with 5 additions and 0 deletions
--- a/src/mac/carbon/utils.cpp
+++ b/src/mac/carbon/utils.cpp
@ -826,6 +826,11 @@ void wxMacControl::Init()

 void wxMacControl::Dispose()
 {
+    wxASSERT_MSG( IsValidControlHandle(m_controlRef) , wxT("Invalid Control Handle (maybe already released) in Dispose") );
+
+    CFIndex count = CFGetRetainCount( m_controlRef ) ;
+    wxASSERT_MSG( count == 1 , wxT("Reference Count of native control was not 1 in Dispose") );
+
    ::DisposeControl( m_controlRef );
    m_controlRef = NULL;
 }