-        tb.AddTool(60, wxBitmap('bitmaps/tog1.bmp', wxBITMAP_TYPE_BMP),
-                   wxBitmap('bitmaps/tog2.bmp', wxBITMAP_TYPE_BMP),
-                   shortHelpString="Toggle with 2 bitmaps", toggle=true)
+        tb.AddTool(60, images.getTog1Bitmap(), images.getTog2Bitmap(),
+                   shortHelpString="Toggle with 2 bitmaps", isToggle=true)