ACMDRV_MESSAGE_PARAMS

Structure for parameters passed to the ACM_IOControl() function.

Syntax

typedef struct {
DWORD
dwDriverID;
HANDLE
hDriver;
UINT
uMsg; LPARAM lParam1;
LPARAM
lParam2;
} CMDRV_MESSAGE_PARAMS;

Members

dwDriverID
Instance identifier. This value is message-dependent.
hDriver
Driver handle.
uMsg
Specifies one of the ACM Driver Messages.
lParam1
Specifies the first message parameter. Dependent on message type.
lParam2
Specifies the second message parameter. Dependent on message type.

See Also

ACM Driver Messages (ACMDM_XXX)