See also MCI_LOAD
typedef struct { DWORD dwCallback; LPCSTR lpfilename; } MCI_LOAD_PARMS;
The MCI_LOAD_PARMS structure contains the information for MCI_LOAD message. When assigning data to the members in this structure, set the corresponding MCI flags in the lParam1 parameter of mciSendCommand to validate the members.
dwCallback
The low-order word specifies a window handle used for the MCI_NOTIFY flag.
lpfilename
Specifies a far pointer to a null-terminated string containing the filename of the device element to load.