diff --git a/rfb/CMsgHandler.h b/rfb/CMsgHandler.h
index 7a69f14..68e5e86 100644
--- a/rfb/CMsgHandler.h
+++ b/rfb/CMsgHandler.h
@@ -56,6 +56,8 @@
     virtual void imageRect(const Rect& r, void* pixels);
     virtual void copyRect(const Rect& r, int srcX, int srcY);
 
+    virtual bool processFTMsg(int type) = 0;
+
     ConnParams cp;
   };
 }