compilation warning fix

[wxWidgets.git] / src / mac / carbon / bmpbuttn.cpp

diff --git a/src/mac/carbon/bmpbuttn.cpp b/src/mac/carbon/bmpbuttn.cpp
index 5d03c4f8d34bc53d997b21427baf97ba5f2a5495..7f89c97abdcfd85451187c82f21d9f897c21ed26 100644 (file)
--- a/src/mac/carbon/bmpbuttn.cpp
+++ b/src/mac/carbon/bmpbuttn.cpp
@@ -52,14 +52,18 @@ bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bit
 
        Rect bounds ;
        Str255 title ;
-        m_bmpNormal = bitmap;
-       wxBitmapRefData * bmap = (wxBitmapRefData*) ( m_bmpNormal.GetRefData()) ;
+    m_bmpNormal = bitmap;
+       wxBitmapRefData * bmap = NULL ;
+       
+       if ( m_bmpNormal.Ok() )
+               bmap = (wxBitmapRefData*) ( m_bmpNormal.GetRefData()) ;
        
        MacPreControlCreate( parent , id ,  "" , pos , wxSize( width , height ) ,style, validator , name , &bounds , title ) ;
 
        m_macControl = ::NewControl( MAC_WXHWND(parent->MacGetRootWindow()) , &bounds , title , false , 0 , 
                kControlBehaviorOffsetContents + 
-                   ( bmap->m_bitmapType == kMacBitmapTypeIcon ? kControlContentCIconHandle : kControlContentPictHandle ) , 0, 
+                   ( bmap && bmap->m_bitmapType == kMacBitmapTypeIcon ? 
+                   kControlContentCIconHandle : kControlContentPictHandle ) , 0, 
                (( style & wxBU_AUTODRAW ) ? kControlBevelButtonSmallBevelProc : kControlBevelButtonNormalBevelProc ), (long) this ) ;
        wxASSERT_MSG( (ControlHandle) m_macControl != NULL , "No valid mac control" ) ;