hey guys,i try to place a gradient ball over another sprite and set the ball's blendmode=eraser
in FLASH,it's works fine and looks like this
but the familar code when i wirte in flex project.things gonna wired,and run out like this
i just do the totally the same things,i even place all displayobject into a sprite and then finally place into a UIComponent.try to make thing in the same way.but it just work like this.i don't know why its happen.
can any pleople tell me what's wrong?
thanks very much