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<< Click to Display Table of Contents >> Navigation: ThinBASIC Core Language > Script structure > Functions/Subs > Function_NParams |
Description
If used inside a function, returns the current function's number of parameters.
Syntax
nParam = Function_NParams
Returns
Number.
Parameters
Name |
Type |
Optional |
Meaning |
Remarks
Restrictions
See also
Examples
'---Sum till 10 numbers using optional parameters
'---At least one number must be passed but even first parameter
'---can be declared as optional
FUNCTION MySum( _
N01 AS EXT , _
OPTIONAL _ '---From here all parameters will be considered optional
N02 AS EXT , _
N03 AS EXT , _
N04 AS EXT , _
N05 AS EXT , _
N06 AS EXT , _
N07 AS EXT , _
N08 AS EXT , _
N09 AS EXT , _
N10 AS EXT _
) AS EXT
FUNCTION = N01 + N02 + N03 + N04 + N05 + N06 + N07 + N08 + N09 + N10
MSGBOX 0, _
"You are inside function " & FUNCTION_Name & $CRLF & _
"Function has been declared to have " & FUNCTION_NParams & " parameters." & $CRLF & _
"This function has been called with " & FUNCTION_CParams & " parameters."
END FUNCTION
MSGBOX 0, "Sum: " & MySum(1,2)