LongPress Events

LongPress events receive the gesture event properties.
译：长按手势事件属性。

1. Events.LongPress — A long press. 译：长按
2. Events.LongPressStart — Start of long press. 译：开始
3. Events.LongPressEnd — End of long press. 译：结束

＃Detect a long press 
layer.on Events.LongPress, (event) ->
    print "Long press"

LongPress Event Shortcuts
译：长按事件的快捷键。

# For Events.LongPress 
layerA.onLongPress ->
    print "Long press"

# For Events.LongPressStart 
layerA.onLongPressStart ->
    print "Start long press"

# For Events.LongPressEnd 
layerA.onLongPressEnd ->
    print "End long press"