Thread: Does Microsoft Windows SDK support function as parameters?

  1. #1
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    [SOVLED] Does Microsoft Windows SDK support function as parameters?

    Hi everyone,
    I'm trying to compile a C++ function with Mex of Matlab working on windows. Matlab recognise Microsoft Windows SDK 7.1 as C/C++ compiler but gives me problem with a line of code of this form

    type funct1( ... , type (*funct2)( type, type), ... )

    In other words, I'm trying to pass a function as a variable to another function. Does someone know if Microsoft Windows SDK support function as parameters?
    Thanks
    Emanuele
    Last edited by Emanuele Mentil; 07-03-2014 at 02:22 PM.

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    After various test I can confirm that Win SDK support that notation.

  3. #3
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    what's the error message that you receive? Are you sure that you're passing the right kind of function as a parameter? the signature has to match (same type and number of parameters) what the declaration says.

    for example:

    Code:
    void a(int) {  }
    void b(int, int) {  }
    
    void c(void (*func)(int)) {  }
    you couldn't pass b to c as a parameter, because it doesn't match the signature of the parameter that c declares.
    What can this strange device be?
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    What can this thing be that I found?

  4. #4
    Registered User cstryx's Avatar
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    That's more of a C way of doing it IMO, why not utilize a functor? Or even a lambda? Sure, function pointers work in C++, but that doesn't necessarily mean they are the best option.

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