private static void OverrideBrowse(GLib.GType gtype)
 {
     if (BrowseVMCallback == null)
     {
         BrowseVMCallback = new BrowseVMDelegate(browse_cb);
     }
     gnomesharp_iconentry_override_browse(gtype.Val, BrowseVMCallback);
 }
 static extern void gnomesharp_iconentry_override_browse(IntPtr gtype, BrowseVMDelegate cb);