I have a question about masks. Depending on if I use a canvas
or an image as the mask object, the mouse events are not dispatched
to the masked object properly. It seems to work if I use an
mx:Image, but if I use an mx:Canvas, mouse events are only
dispatched for the upper left corner of the masked object.
Please see my attached code below.
If I run the application, the button only reacts to
mouse-over and mouse-down events in the upper left corner of the