The MCI_DGV_PUT_PARMS structure contains parameters for the MCI_PUT message for digital-video devices. When assigning data to its fields, set the corresponding MCI flags in the lParam1 parameter of mciSendCommand to validate the fields.
typedef struct {
DWORD dwCallback;
RECT rc;
} MCI_DGV_PUT_PARMS;
Fields
dwCallback
The low-order word specifies a window handle used for the MCI_NOTIFY flag.