User Guide
UIObject class 819
The second usage example uses a dispatcher/listener event model. A component instance
(
componentInstance) dispatches an event (in this case, move) and the event is handled by a
function, also called a handler, on a listener object (
listenerObject) that you create. You define
a method with the same name as the event on the listener object; the method is called when the
event is triggered. When the event is triggered, it automatically passes an event object
(
eventObject) to the listener object method. Each event object has properties that contain
information about the event. You can use these properties to write code that handles the event.
Finally, you call the
EventDispatcher.addEventListener() method on the component
instance that broadcasts the event to register the listener with the instance. When the instance
dispatches the event, the listener is called.
For more information, see “EventDispatcher class” on page 415.
Example
The following example calls the move() method to keep form2 100 pixels down and to the right
of
form1:
formListener.handleEvent = function(){
form2.move(form1.x + 100, form1.y + 100);
}
form1.addEventListener("move", formListener);
UIObject.move()
Availability
Flash Player 6 (6.0 79.0).
Edition
Flash MX 2004.
Usage
componentInstance.move(x, y)
Parameters
x
A number that indicates the position of the object’s upper left corner, relative to its parent.
y A number that indicates the position of the object’s upper left corner, relative to its parent.
Returns
Nothing.
Description
Method; moves the object to the requested position. You should pass only integral values to
UIObject.move(), or the component may appear fuzzy.
Example
This example move the check box 10 pixels to the right:
myCheckbox.move(myCheckbox.x + 10, myCheckbox.y);