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X-Hacker.org- FreshWin (c) Fresh Technologies - <b>isnil() pseudo-function</b>
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ISNIL() Pseudo-Function
Purpose..: Verify whether a item is a NIL data type
-------------------------------------------------------------------------------
Syntax...: ISNIL( <uItem> ) --> lIsNil
Arguments: <uItem> = a variable to be checked for type.
There is no default.
Returns..: lIsNil returns true if uItem is a NIL data type.
Remark...: The command is a #translate function.
#translate ISNIL( <v1> ) ;
=> ;
( <v1> == NIL )
You must have a #include "FW_AIDS.CH" statement in your
source code file to use the command.
Source...: FW_AIDS.CH
-------------------------------------------------------------------------------
Example..: In a function, you can use the command to check
the variable type.
iif( ISNIL( cSetUp ), "Left Handed", cSetUp )
See Also:
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