This event fires when the status of the line device has changed. The new status is stored in the Line's Status property.

Availability

Design-Time: Read, Write / Run-Time: Read, Write

Declaration

procedure (Sender: ThbTapiLine; State, StateDetail1, StateDetail2: DWord);
propety OnDeviceState: ThbTapiDeviceStateEvent;

Remarks

TAPI sends a LINE_LINEDEVSTATE message to the application to indicate that the state of the line device has changed. Please refer to the section "LINE_LINEDEVSTATE" in TAPI's documentation for a more detailed information.

See Also

ThbTapiLine.Status