The properties of the Visibility class allow you to define the initial visibility and the optional expression for the dynamic control of the animation visibility; also specify the drawing plane (Layer) of membership of the same.



Visible


Specifies whether the animation is initially visible on screen. Setting this property to FALSE, the animation will not be visible initially. 

The actual animation visibility is determined by the value of the specified property for the Visible (Expression) if filled in.


Visible (Expression)

Expression by which the animation is displayed or hidden. The animation is displayed if the result of the expression is TRUE or a number other than 0, otherwise hidden. If not filled in, the visibility of the animation is determined by the properties Visible.


Layer

Specifies the Layer membership of the object (see paragraph "Layer" Chapter "Synoptic"). Allowed values:


0

The object is not assigned to any layer


1 .. 32

The object is assigned to the Layer 1 .. 32