QBasic function with optional arguments

[skibidiQ]

Is it possible to write a subroutine or a function with optional arguments?

for example:

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MyFunct (x AS INTEGER, [y AS INTEGER, Z AS INTEGER]) 

so that I can use the function with only the first argument and sometimes with all arguments, in the same program, like the following for example:

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Myfunct 5
MyFunct 5,6,7

Also, is it possible to write a sub or a function that takes arguments in format that is used with some of the graphics commands in QuickBasic, like the WINDOW and LINE.. For example:

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WINDOW (10,50)-(100,100) 
LINE (10,10)-(50,50

I tried using square brackets, [], because the manual said those represent the optional arguments, but I guess it is only for reading the syntax conventions. Is there any way to have optional arguments?

[Peter Swinkels]

No, qb doesn't support optional arguments. What are you trying to do?