1. Implemented support for different icons for different states (expanded,

selected, combination of them) for the tree control (and doc'd it)
2. removed code which was sending extra event if wxFrame::SetSize() was
   used
3. important changes to wxWizard interface
4. small compilation corrections


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@3756 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/font.h

@@ -54,6 +54,9 @@ public:
 
     virtual ~wxFont();
 
+    // assignment
+    wxFont& operator=(const wxFont& font);
+
     // implement base class pure virtuals
     virtual int GetPointSize() const;
     virtual int GetFamily() const;