add_hold(function(sender, e))
hold.add(function(sender, e))
remove_hold(function(sender, e))
hold.remove(function(sender, e))
    
            
        
            The Hold event will fire only when EnableHold is set to true and when the following occurs:
The Hold event is used usually on touch devices to show a context menu.
| Parameter | Type | Description | 
|---|---|---|
| sender | 'var' | The source of the event. | 
| e | InteractiveEventArgs | The event data. |