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)