CaplockStringW

#include <Windows.h>

VOID CaplockStringW(PWCHAR String)
{
    for (; *String; ++String)
    {
        WCHAR IndividualCharacter = *String;
        if (IndividualCharacter >= L'a' && IndividualCharacter <= L'z')
            *String = (WCHAR)(IndividualCharacter - (L'a' - L'A'));
    }
}

INT main(VOID)
{
    WCHAR StringExample[] = L"Hash This String";
    
    CaplockStringW(StringExample);

    return ERROR_SUCCESS;
}