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FKMAX( ) Function

Returns the number of programmable function keys or function key combinations on your keyboard.

FKMAX( )

Return Value

Numeric

Remarks

The value returned by FKMAX( ) is affected by SET COMPATIBLE. When SET COMPATIBLE is set to FOXPLUS (the default), FKMAX( ) returns the number of function keys. When SET COMPATIBLE is set to DB4, FKMAX( ) returns the number of function key and function key combinations (F1, CTRL+F1, SHIFT+F1, F2, CTRL+F2, SHIFT+F2, ...).

Example

CLEAR
SET COMPATIBLE OFF
? 'COMPATIBLE OFF'
?
FOR nCount = 1 TO FKMAX( )  && Loop for # of function keys
   ? FKLABEL(nCount)  && Display programmable function keys
ENDFOR
SET COMPATIBLE ON

?
? 'COMPATIBLE ON'
?
FOR nCount = 1 TO FKMAX( )  && Loop for # of function keys
   ? FKLABEL(nCount)  && Display programmable function keys
ENDFOR

See Also

Reference

FKLABEL( ) Function

SET COMPATIBLE Command

SET FUNCTION Command

Other Resources

Functions

Language Reference (Visual FoxPro)