gistfile1.js

var stage = new createjs.Stage("testCanvas");
  	var shape, hit;
	
 
	var oldX,oldY; 
 
	stage.addEventListener('stagemousedown',mouseDown,false);
 
	function mouseDown(e){
		console.log(stage.getObjectUnderPoint(e.stageX,e.stageY));
		if (stage.getObjectUnderPoint(e.stageX,e.stageY) == null) {
       
    
		shape = new createjs.Shape();
		stage.addChild(shape);
		hit = new createjs.Shape();
		oldX = e.stageX;
		oldY = e.stageY;
		stage.addEventListener('stagemousemove',mouseMove,false);

		shape.addEventListener("mousedown", function(evt) {
			stage.mouseEnabled  = false;
				// bump the target in front of its siblings:
				var o = evt.target;
				o.parent.addChild(o);
				o.offset = {x:o.x-evt.stageX, y:o.y-evt.stageY};
			},false);

		shape.addEventListener("pressmove", function(evt) {
			evt.bubbles = false;
				var o = evt.target;
				o.x = evt.stageX+ o.offset.x;
				o.y = evt.stageY+ o.offset.y;
				// indicate that the stage should be updated on the next tick:
				update = true;
			},false);
		}
	}
 
	stage.addEventListener('stagemouseup',mouseUp,false);
 
	function mouseMove(e) {
		
			shape.graphics.clear();
			shape.graphics.beginStroke("#000").setStrokeStyle(8,"round").drawRect(oldX, oldY, e.stageX-oldX, e.stageY-oldY);
			
			stage.update();
	}
 
	function mouseUp(e) {
		
		hit.graphics.beginFill("#000").drawRect(oldX, oldY, e.stageX-oldX, e.stageY-oldY);
		shape.hitArea = hit;
		stage.removeEventListener('stagemousemove',mouseMove,false);
		console.log("off");
	}