diff --git a/common/rfb/VNCSConnectionST.h b/common/rfb/VNCSConnectionST.h
index a04296d..7fe2e32 100644
--- a/common/rfb/VNCSConnectionST.h
+++ b/common/rfb/VNCSConnectionST.h
@@ -129,6 +129,9 @@
     virtual void setInitialColourMap();
     virtual void supportsLocalCursor();
 
+    virtual void enableContinuousUpdates(const Rect& r);
+    virtual void disableContinuousUpdates();
+
     // setAccessRights() allows a security package to limit the access rights
     // of a VNCSConnectioST to the server.  These access rights are applied
     // such that the actual rights granted are the minimum of the server's
@@ -150,6 +153,8 @@
     void setCursor();
     void setSocketTimeouts();
 
+    void resetRequestedRegion();
+
     network::Socket* sock;
     CharArray peerEndpoint;
     VNCServerST* server;
@@ -159,6 +164,9 @@
     bool drawRenderedCursor, removeRenderedCursor;
     Rect renderedCursorRect;
 
+    bool autoUpdatesActive;       // continuous updates enabled
+    Rect autoUpdatedRect;         // continuously updated area
+
     std::set<rdr::U32> pressedKeys;
 
     time_t lastEventTime;