MACROMEDIA FLASH MX 2004-ACTIONSCRIPT LANGUAGE Reference page 487

mouseListener.onMouseUp = function() {
this.isDrawing = false;
};
Mouse.addListener(mouseListener);
var clearListener:Object = new Object();
clearListener.click = function() {
canvas_mc.clear();
};
clear_button.addEventListener("click", clearListener);
//
var stopDrawingListener:Object = new Object();
stopDrawingListener.click = function(evt:Object) {
Mouse.removeListener(mouseListener);
evt.target.enabled = false;
startDrawing_button.enabled = true;
};
stopDrawing_button.addEventListener("click", stopDrawingListener);
var startDrawingListener:Object = new Object();
startDrawingListener.click = function(evt:Object) {
Mouse.addListener(mouseListener);
evt.target.enabled = false;
stopDrawing_button.enabled = true;
};
startDrawing_button.addEventListener("click", startDrawingListener);
Mouse.removeListener() 487