The MCI_BREAK_PARMS structure contains parameters for the MCI_BREAK message. When assigning data to the fields in this data structure, set the corresponding MCI flags in the dwFlags parameter of mciSendCommand to validate the fields.
typedef struct {
DWORD dwCallback;
int nVirtKey;
WORD wReserved0;
HWND hwndBreak;
WORD wReserved1;
} MCI_BREAK_PARMS;
The MCI_BREAK_PARMS structure has the following fields:
dwCallback
The low-order word specifies a window handle used for the MCI_NOTIFY flag.
nVirtKey
Specifies the virtual key code used for the break key.
wReserved0
Reserved.
hwndBreak
Specifies a window handle of the window that must be the current window for break detection.
wReserved1
Reserved.
MCI_BREAK