This message is sent to notify the application about device-specific events occurring a line, address or call. The meaning of the message and the interpretation of the parameters is device specific.
At a Glance
| Header file: | Tapi.h |
| Windows CE versions: | 1.0 and later |
Syntax
LINE_DEVSPECIFIC dwDevice = (DWORD) hLineOrCall;
dwCallbackInstance = (DWORD) hCallback;
dwParam1 = (DWORD) DeviceSpecific1;
dwParam2 = (DWORD) DeviceSpecific2;
dwParam3 = (DWORD) DeviceSpecific3;
Parameters
dwDevice
Specifies a handle to either a line device or call. This is device specific.
dwCallbackInstance
Specifies the callback instance supplied when opening the line.
dwParam1
Device specific.
dwParam2
Device specific.
dwParam3
Device specific.
Return Values
None.
Remarks
The LINE_DEVSPECIFIC message is used by a service provider in conjunction with the lineDevSpecific function. Its meaning is device specific.