As it is declared in your code, the return type of P/Invoke {0} will be {1} bytes wide on {2} platforms. This is not correct, ...

As it is declared in your code, the return type of P/Invoke {0} will be {1} bytes wide on {2} platforms. This is not correct, as the actual native declaration of this API indicates it should be {3} bytes wide on {2} platforms. Consult the MSDN Platform SDK documentation for help determining what data type should be used instead of {4}.