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dfScanLine()
Return the height in byte of the current DOS FONT
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Syntax:

     dfScanLine() --> nScanLine

Parameters:

     NONE

Returns:

     <nScanLine> Number of byte of the height oc current DOS FONT

Description:

     Return the height in byte of the current DOS FONT
     
     If the return is 16 the resolution of the application is 25x80, if 8
     the resolution is 50x80
     
     With the debugger in /S mode MAXROW() return 24 and dfScanLine()
     return 8. In this situation you are sure to works in /S modality of
     debugging

Example:

     dfScanLine() // Return 16
     SETMODE( 50, 80 )
     dfScanLine() // Return  8

See also:

     dfIniClose(), dfModGrf()