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.
Returns the Z-index of this view, which is determined by the sequence number of its associated com.reveldigital.player.api.Module. The Z-index is used to determine the rendering order of overlapping views. Higher Z-index values typically mean the view is drawn on top of views with lower Z-index values.Return
The sequence number from the module if available, otherwise 0.