Added wxTLW::SetShape and implementations for wxGTK, wxMSW and an

empty stub for wxMac.
Added some generic helpers and a new ctor to wxRegion.
Added samples/shaped.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19857 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/src/frames.i

@@ -116,6 +116,12 @@ public:
 
     virtual void SetTitle(const wxString& title);
     virtual wxString GetTitle() const;
+
+    // Set the shape of the window to the given region.
+    // Returns TRUE if the platform supports this feature (and the operation
+    // is successful.)
+    virtual bool SetShape(const wxRegion& region);
+
 };
 
 //----------------------------------------------------------------------