X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/66a09d4776b8ae390d5aa51dbd678b694f2c81d6..005f5d1878c1d344e79e3c43b2790332dcea68f3:/src/mac/toplevel.cpp

diff --git a/src/mac/toplevel.cpp b/src/mac/toplevel.cpp
index baeb703641..12f077a7cd 100644
--- a/src/mac/toplevel.cpp
+++ b/src/mac/toplevel.cpp
@@ -101,6 +101,7 @@ void wxTopLevelWindowMac::Init()
     m_maximizeOnShow = FALSE;
     m_macNoEraseUpdateRgn = NewRgn() ;
     m_macNeedsErasing = false ;
+    m_macWindow = NULL ;
 }
 
 bool wxTopLevelWindowMac::Create(wxWindow *parent,
@@ -130,9 +131,12 @@ bool wxTopLevelWindowMac::Create(wxWindow *parent,
 
 wxTopLevelWindowMac::~wxTopLevelWindowMac()
 {
-    wxToolTip::NotifyWindowDelete(m_macWindow) ;
-    UMADisposeWindow( (WindowRef) m_macWindow ) ;
-
+    if ( m_macWindow )
+    {
+        wxToolTip::NotifyWindowDelete(m_macWindow) ;
+        UMADisposeWindow( (WindowRef) m_macWindow ) ;
+    }
+    
     wxRemoveMacWindowAssociation( this ) ;
 
     wxTopLevelWindows.DeleteObject(this);