Removelistener (Selection.removelistener Method) - MACROMEDIA FLASH 8-FLASH LITE 2.X ACTIONSCRIPT LANGUAGE Reference

removeListener (Selection.removeListener method)

public static removeListener(listener:Object) : Boolean
Removes an object previously registered with
Availability: ActionScript 1.0; Flash Lite 2.0
Parameters
- The object that will no longer receive focus notifications.
listener:Object
Returns
- If
Boolean listener
was not successfully removed--for example, if
listener
object's listener list--the method returns a value of
Example
The following ActionScript dynamically creates several text field instances. When you select a
text field, information displays in the Output panel. When you click the
instance, the listener is removed and information no longer displays in the Output panel.
this.createTextField("one_txt", 1, 0, 0, 100, 22);
this.createTextField("two_txt", 2, 0, 25, 100, 22);
this.createTextField("three_txt", 3, 0, 50, 100, 22);
this.createTextField("four_txt", 4, 0, 75, 100, 22);
for (var i in this) {
if (this[i] instanceof TextField) {
this[i].border = true;
this[i].type = "input";
}
}
var selectionListener:Object = new Object();
selectionListener.onSetFocus = function(oldFocus, newFocus) {
trace("Focus shifted from "+oldFocus+" to "+newFocus);
};
Selection.addListener(selectionListener);
remove_btn.onRelease = function() {
trace("removeListener invoked");
Selection.removeListener(selectionListener);
};
See also
addListener (Selection.addListener method)
580 ActionScript classes
was successfully removed, the method returns a
Selection.addListener()
listener
.
false
.
value. If
true
was not on the Selection
remove_btn