forlang.hlp (Table of Contents; Topic list)
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setviewport
 Description Example                     Up Contents Index Back
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  Include:  FGRAPH.FI, FGRAPH.FD
 
  Type:     SUBROUTINE
 
  Routine:  setviewport( x1, y1, x2, y2 )
            INTEGER*2 x1, y1, x2, y2
 
  See also: setcliprgn, setvieworg, setwindow
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