C6505

warning C6505: invalid annotation: MustCheck property may not be used on values of void type

This warning indicated that MustCheck property was used on a void data type. You cannot use MustCheck property on void type. Either remove the MustCheck property or use another data type.

Example

The following code generates this warning:

#include <sal.h>
_Must_inspect_result_ void f()
{
    //Code ...
}

To correct this warning, use the following code:

#include <sal.h>
_Must_inspect_result_ char* f()
{
    char *str ="Hello World";
    //Code ...
    return str;
}

See Also

Reference

C6516