VerticalSash is the class for the vertical border around a window pane that can be dragged to adjust the window size.
This class is supported only on the Open Agent.
VerticalSash is derived from the Sash class.
VerticalSash inherits its methods from the AnyWin, Control, and Sash classes.
VerticalSash inherits all its properties from the AnyWin and Control classes.