int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
...
    SetTimer(hWnd,  1 ,  1000 , NULL);
...
    // mesasge loop
...
    KillTimer(hWnd,  1 );
...
}

LRESULT CALLBACK WndProc(HWND hWnd,
                         UINT message,
                         WPARAM wParam,
                         LPARAM lParam)
{
...
    switch (message)
    {
...
        case WM_TIMER:
    //  недосягяемый код
...
    }
...
}