add_drawImage(function(sender, e))
drawImage.add(function(sender, e))
remove_drawImage(function(sender, e))
drawImage.remove(function(sender, e))
    
            
        
            ImageViewerSpyGlassInteractiveMode will fire this event while working. It is up to the implementers and listeners to draw the effect on the context.
For an example, refer to ImageViewerSpyGlassInteractiveMode.
| Parameter | Type | Description | 
|---|---|---|
| sender | 'var' | The source of the event. | 
| e | ImageViewerSpyGlassDrawImageEventArgs | The event data. |