VS_Dim()             Dim an area of the screen

Description:

  VS_Dim() will dim a rectangluar area of the screen for use as shadows,
  etc.

Syntax:     

  VS_Dim( n_Top, n_Left, n_Bottom, n_Right )

Pass:       

  n_Top is a numeric value representing the top row of the
  rectangular region of the screen to dim.

  n_Left is a numeric value representing the left column of the
  rectangular region of the screen to dim.

  n_Bottom is a numeric value representing the bottom row of the
  rectangular region of the screen to dim.

  n_Right is a numeric value representing the right column of the
  rectangular region of the screen to dim.

Return:     

  VS_Dim() always returns NIL

Notes:      


Example:    

  VS_Dim(5,5,20,75)

Usage:      

  VS_Dim() is called by VS_Wind() to produce the "shadow" effect around
  the windows.