set icons bundle, not single icon, for frames loaded from XRC

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@59931 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/xrc/xmlres.h

@@ -33,6 +33,7 @@
 
 class WXDLLIMPEXP_FWD_BASE wxFileName;
 
+class WXDLLIMPEXP_FWD_CORE wxIconBundle;
 class WXDLLIMPEXP_FWD_CORE wxMenu;
 class WXDLLIMPEXP_FWD_CORE wxMenuBar;
 class WXDLLIMPEXP_FWD_CORE wxDialog;
@@ -508,6 +509,10 @@ protected:
                    const wxArtClient& defaultArtClient = wxART_OTHER,
                    wxSize size = wxDefaultSize);
 
+    // Gets an icon bundle.
+    wxIconBundle GetIconBundle(const wxString& param,
+                               const wxArtClient& defaultArtClient = wxART_OTHER);
+
 #if wxUSE_ANIMATIONCTRL
     // Gets an animation.
     wxAnimation GetAnimation(const wxString& param = wxT("animation"));