--- a/cocoaTouch/OverlayViewController.h	Mon Apr 19 15:30:11 2010 +0000
+++ b/cocoaTouch/OverlayViewController.h	Wed Apr 21 01:57:23 2010 +0000
@@ -31,6 +31,7 @@
 -(void) touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event;
 -(void) touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event;
 -(void) touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event;
+-(void) touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event;
 
 -(IBAction) buttonReleased:(id) sender;
 -(IBAction) buttonPressed:(id) sender;