drag_end
Description:
public virtual signal void drag_end (Actor actor, float event_x, float event_y, ModifierType modifiers)
  
  The drag_end signal is emitted at the end of the dragging, when the pointer button's is released
This signal is emitted if and only if the drag_begin signal has been emitted first
Parameters:
| actor | the Actor attached to the action | 
| event_x | the X coordinate (in stage space) of the release event | 
| event_y | the Y coordinate (in stage space) of the release event | 
| modifiers | the modifiers of the release event |