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

interface/wx/xrc/xmlres.h

@@ -532,6 +532,19 @@ protected:
                    const wxArtClient& defaultArtClient = wxART_OTHER,
                    wxSize size = wxDefaultSize);
 
+    /**
+        Returns an icon bundle.
+
+        @note
+        Bundles can be loaded either with stock IDs or from files that contain
+        more than one image (e.g. Windows icon files). If a file contains only
+        single image, a bundle with only one icon will be created.
+
+        @since 2.9.0
+     */
+    wxIconBundle GetIconBundle(const wxString& param,
+                               const wxArtClient& defaultArtClient = wxART_OTHER);
+
     /**
         Gets the integer value from the parameter.
     */