Windows® CE 3.0 Application Programming

Line Initialization and Shutdown

The TAPI function lineInitialize (Table 11.1) must be called before any other TAPI function is called. All TAPI functions start with "line," but this function doesn't initialize any one particular line device. The function returns a HLINEAPP handle that is the application's usage handle for TAPI. The header file "tapi.h" must be included when using any of the TAPI functions.

Table 11.1. lineInitialize—Initializes an applications use of TAPI.DLL

lineInitialize
LPHLINEAPP lphLineApp	Pointer to a HLINEAPP handle in which the application's usage handle for TAPI is returned.
HINSTANCE hInstance	Instance handle of the application or DLL calling the function.
LINECALLBACK lpfnCallback	Callback function, through which notifications ...