get ZIndex
Gets the Z-index (stacking order) of this control.
Controls with higher Z-index values are generally displayed on top of controls with lower Z-index values.
Gets the Z-index (layering order) of this FlashView. The Z-index is determined by the getSequence value of the associated module. If no module is associated, it defaults to 0.Return
The sequence number from the module, or 0 if the module is null.