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4/8/2010

This function is a placeholder for the application-supplied function name.

Syntax

VOID FAR PASCAL lineCallbackFunc( 
  DWORD 
hDevice, 
  DWORD 
dwMsg, 
  DWORD 
dwCallbackInstance, 
  DWORD 
dwParam1, 
  DWORD 
dwParam2, 
  DWORD 
dwParam3
);

Parameters

hDevice

Handle to either a line device or a call associated with the callback. The nature of this handle, line handle or call handle, can be determined by the context provided by dwMsg. Applications must use the DWORDtype for this parameter because using the HANDLEtype may cause an error.

dwMsg

Line or call device message.

dwCallbackInstance

Callback instance data passed back to the application in the callback. This DWORDis not interpreted by TAPI.

dwParam1

Message-specific data.

dwParam2

Message-specific data.

dwParam3

Message-specific data.

Remarks

All callbacks occur in the application context. The callback function must reside in a DLL or application module.

Requirements

Header tapi.h
Library coredll.lib
Windows Embedded CE Windows CE 1.0 and later
Windows Mobile Windows Mobile Version 5.0 and later