function returns the next TAPI message that is queued for delivery to an
application that is using the Event Handle notification mechanism (see lineInitializeEx
for further details).
| HLINEAPP hLineApp,
| LPLINEMESSAGE lpMessage,
| DWORD dwTimeout
The handle returned by lineInitializeEx
. The application must have set the LINEINITIALIZEEXOPTION_USEEVENT option in
member of the LINEINITIALIZEEXPARAMS
A pointer to a LINEMESSAGE
structure. Upon successful return from this function, the structure will
contain the next message which had been queued for delivery to the application.
The time-out interval, in milliseconds. The function returns if the interval
elapses, even if no message can be returned. If dwTimeout
is zero, the function checks for a queued message and returns immediately. If dwTimeout
is INFINITE, the function's time-out interval never elapses.
Returns zero if the request is successful or a negative error number if an
error has occurred. Possible return values are:
LINEERR_INVALAPPHANDLE, LINEERR_OPERATIONFAILED, LINEERR_INVALPOINTER,
If the lineGetMessage
function has been called with a non-zero timeout and the application calls lineShutdown
on another thread, this function will return immediately with
If the timeout expires (or was zero) and no message could be fetched from the
queue, the function returns with the error LINEERR_OPERATIONFAILED.
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