SB_GETTEXT Function

[GESYMSB]

According to MSDN the return from this function is a 32-bit value that
consists of two 16-bit values.

Now I got no idea on how to test the return.

On plain C, how can I get the two values?

Or how can I check is the function was successful or not?

Thanks

[Thomas1965]

You can use the LOWORD and HIWORD macros.
https://msdn.microsoft.com/en-us/library/windows/desktop/ms632659(v=vs.85).aspx