#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>

typedef DWORD (WINAPI *ShellShFunc)(HWND hParent, WCHAR *Username, BOOL bHideLogoff);

DWORD WINAPI
TestShellShutdownDialog(HWND hParent, WCHAR *Username, BOOL bHideLogoff)
{
    HINSTANCE msginaDll = LoadLibrary("msgina.dll");

    if(!msginaDll)
    {
        printf("ERROR: Unable to load library: msgina.dll.\n");
        return 0x60;
    }

    ShellShFunc pShellShutdownDialog = (ShellShFunc) GetProcAddress(msginaDll, "ShellShutdownDialog");

    if(!pShellShutdownDialog)
    {
        printf("ERROR: ShellShutdownDialog could not be loaded or found.\n");
        return 0x60;
    }

    return pShellShutdownDialog(hParent, Username, bHideLogoff);
}

int main()
{
    DWORD returnValue = 0;
    printf("Loading ShellShutdownDialog\n");

    returnValue = TestShellShutdownDialog(NULL, L"Carl", FALSE);

    printf("Return value = %lu", returnValue);
    return 0;
}