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 MAXCOL()
 Determine the maximum visible screen column
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 Syntax

     MAXCOL() --> nColumn

 Returns

     MAXCOL() returns the column number of the rightmost visible column for
     display purposes.

 Description

     MAXCOL() is a screen function that determines the maximum visible column
     of the screen.  Row and column numbers start at zero in CA-Clipper.

     If you use a C or other extended function to set the video mode, use the
     SETMODE() function so your CA-Clipper application returns the correct
     value for MAXCOL().

 Examples

     .  This example uses MAXROW() and MAXCOL() to determine the area
        in which to draw a box, and then executes DBEDIT() within the box
        region:

        CLS
        @ 0, 0 TO MAXROW(), MAXCOL() DOUBLE
        DBEDIT(1, 1, MAXROW() + 1, MAXCOL() - 1)

 Files   Library is CLIPPER.LIB.