LINE_DEVSPECIFIC (TAPI) (Compact 2013)

  • Article

3/26/2014

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.

Syntax

LINE_DEVSPECIFIC 
    dwDevice = (DWORD) hLineOrCall;
    dwCallbackInstance = (DWORD) hCallback;
    dwParam1 = (DWORD) DeviceSpecific1; 
    dwParam2 = (DWORD) DeviceSpecific2;
    dwParam3 = (DWORD) DeviceSpecific3;

Parameters

  • dwDevice
    Handle to either a line device or call. This is device specific.
  • dwCallbackInstance
    Callback instance supplied when opening the line.
  • dwParam1
    Device specific.
  • dwParam2
    Device specific.
  • dwParam3
    Device specific.

Return Value

None.

Remarks

The LINE_DEVSPECIFIC message is used by a service provider in conjunction with the lineDevSpecific function. Its meaning is device specific.

Requirements

Header

tapi.h

See Also

Reference

TAPI Messages
lineDevSpecific