SimpleShape
See Also: Class SimpleShape.
Plug-In procedural shapes are subclassed from SimpleShape. The main methods are:
BuildShape()
Called to create the spline shape at the specified time.
ValidForDisplay()
Called to determine if the spline may be displayed at the time passed.
void InvalidateUI()
This is called if the user interface parameters needs to be updated because the user moved to a new time. The UI controls must display values for the current time.