[ 1563875 ] wxTreeCtrl::FindItem asserts when item not found

[wxWidgets.git] / src / mac / classic / button.cpp

diff --git a/src/mac/classic/button.cpp b/src/mac/classic/button.cpp
index a12aa3a9b9e3212bb4131b9cc0d9cd8ca8910414..714983c2fa028b4a97c985493f8b7b7f94964418 100644 (file)
--- a/src/mac/classic/button.cpp
+++ b/src/mac/classic/button.cpp
@@ -66,13 +66,12 @@ bool wxButton::Create(wxWindow *parent, wxWindowID id, const wxString& lbl,
 
 void wxButton::SetDefault()
 {
-    wxWindow *parent = GetParent();
+    wxTopLevelWindow *tlw = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
     wxButton *btnOldDefault = NULL;
-    if ( parent )
+    if ( tlw )
     {
-        btnOldDefault = wxDynamicCast(parent->GetDefaultItem(),
-           wxButton);
-        parent->SetDefaultItem(this);
+        btnOldDefault = wxDynamicCast(tlw->GetDefaultItem(), wxButton);
+        tlw->SetDefaultItem(this);
     }
 
     Boolean inData;