LINEMESSAGE

typedef struct linemessage_tag {

DWORD hDevice;

DWORD dwMessageID;

DWORD dwCallbackInstance;

DWORD dwParam1;

DWORD dwParam2;

DWORD dwParam3;

} LINEMESSAGE, FAR *LPLINEMESSAGE;

Members

hDevice

A handle to either a line device or a call. The nature of this handle (line handle or call handle) can be determined by the context provided by dwMessageID.

dwMessageID

A line or call device message.

dwCallbackInstance

Instance data passed back to the application, which was specified by the application in lineInitializeEx. This DWORD is not interpreted by TAPI.

dwParam1

A parameter for the message.

dwParam2

A parameter for the message.

dwParam3

A parameter for the message.

Remarks

For information about parameter values passed in this structure, see Line Device Messages.

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