public interface LTImageViewerSpyGlassDelegate
Public Interface LTImageViewerSpyGlassDelegate
public interface LTImageViewerSpyGlassDelegate
@protocol LTImageViewerSpyGlassDelegate<NSObject> @optional -(void) imageViewerSpyGlassInteractiveMode:(LTImageViewerSpyGlassInteractiveMode*) imageViewerSpyGlassInteractiveMode preDrawWithContext: (CGContextRef)context; -(void) imageViewerSpyGlassInteractiveMode:(LTImageViewerSpyGlassInteractiveMode*) imageViewerSpyGlassInteractiveMode postDrawWithContext: (CGContextRef)context; @end
function Leadtools.Controls.LTImageViewerSpyGlassDelegate()
This protocol is used to listen to ImageViewerSpyGlassInteractiveMode events and to provide the user with information needed for the event. For example, you can use the Canvas when performing your own drawing on top of the Spyglass.