typedef struct tagMCI_OVLY_SAVE_PARMSA {
    DWORD_PTR   dwCallback;
    LPCSTR      lpfilename;
    RECT        rc;
} MCI_OVLY_SAVE_PARMSA, *PMCI_OVLY_SAVE_PARMSA, * LPMCI_OVLY_SAVE_PARMSA;

typedef LPMCI_OVLY_SAVE_PARMSA LPMCI_OVLY_SAVE_PARMS;