typedef MCI_OVLY_WINDOW_PARMSW MCI_OVLY_WINDOW_PARMS;

typedef MCI_OVLY_WINDOW_PARMSA MCI_OVLY_WINDOW_PARMS;

typedef struct tagMCI_OVLY_WINDOW_PARMS {
    DWORD   dwCallback;
    HWND    hWnd;
    WORD    wReserved1;
    UINT    nCmdShow;
    WORD    wReserved2;
    LPCSTR  lpstrText;
} MCI_OVLY_WINDOW_PARMS, FAR * LPMCI_OVLY_WINDOW_PARMS;