Just a Flash Developer / Actionscript is preparing to write a function similar to a tooltip, clashes immediately with the problem of the propagation of events between overlapping MovieClips. In fact, if a MovieClip (B) is superimposed to a MovieClip (A), which responds, for example, an event MouseEvent.Mouse_OVER , by hovering on the MovieClip (B) no event be higher than intercepted by the MovieClip (A):

In this scenario it is necessary to inhibit the interception of events by the MovieClip (B). : This is possible by setting to false the property mouseEnabled :
1 | = false ; mcb. mouseEnabled = false; |










[...] Event bubbling. This behavior (which is also found in other development environments: See Actionscript 3.0: MovieClip MovieClip over) is in itself useful in many cases. However, in others, it creates many problems. For example [...]