added GetStdIcon support to wxRenderer

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12017 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/univ/renderer.h

@@ -42,6 +42,7 @@ class WXDLLEXPORT wxGauge;
 
 #include "wx/string.h"
 #include "wx/gdicmn.h"
+#include "wx/icon.h"
 #include "wx/scrolbar.h"            // for wxScrollBar::Element
 
 // helper class used by wxMenu-related functions
@@ -419,6 +420,12 @@ public:
                              const wxPoint& pt,
                              int flags = 0) const = 0;
 
+
+    // get the standard icon used by wxWin dialogs - this allows the user
+    // to customize the standard dialogs. The 'which' parameter is one of
+    // wxICON_XXX values
+    virtual wxIcon GetStdIcon(int which) const = 0;
+
     // virtual dtor for any base class
     virtual ~wxRenderer();
 
@@ -760,6 +767,8 @@ public:
                              const wxPoint& pt,
                              int flags) const
         { return m_renderer->HitTestFrame(rect, pt, flags); }
+    virtual wxIcon GetStdIcon(int which) const
+        { return m_renderer->GetStdIcon(which); }
 
 protected:
     wxRenderer *m_renderer;