LINE_DEVSPECIFIC
The
LINE_DEVSPECIFIC message is sent to notify the application about
device-specific events occurring on a line, address, or call. The meaning of
the message and the interpretation of the parameters are device specific.
LINE_DEVSPECIFIC
dwDevice = (DWORD) hLineOrCall;
dwCallbackInstance = (DWORD) hCallback;
dwParam1 =
(DWORD) DeviceSpecific1;
dwParam2 =
(DWORD) DeviceSpecific2;
dwParam3 =
(DWORD) DeviceSpecific3;
Parameters
dwDevice
A handle to
either a line device or call. This is device specific.
dwCallbackInstance
The callback
instance supplied when opening the line.
dwParam1
Device
specific.
dwParam2
Device
specific.
dwParam3
Device
specific.
Return Values
No return
value.
Remarks
The
LINE_DEVSPECIFIC message is used by a service provider in conjunction with the lineDevSpecific