HP Remote Graphics Software (RGS) User Manual download pdf (Page 213)

// Open, read status of log, close event log =========================

if ((h = OpenEventLog(eventServer, eventSource)) == NULL)

{

... report error status here ...

return;

}

// If an event is added, either the start or count will change.

// Get the start and count. Microsoft does not specify what

// reasons these functions could fail, so we cannot ensure

// success. Check the return value.

if (GetOldestEventLogRecord(h, &dwCurrentStart) == false ||

GetNumberOfEventLogRecords(h, &dwCurrentCount) == false)

{

CloseEventLog(h);

... report error - unable to obtain event logs ...

return;

}

if (CloseEventLog(h) == false)

{

... report error status here ...

return;

}

// Determine state of log change =====================================

// Compute the index of the last event. If the count is zero, then

// there are no events and the index is 0.

if (dwCurrentCount == 0)

{

dwNewIndex = 0;

}

else

{

dwNewIndex = dwCurrentStart + dwCurrentCount - 1;

}

ENWW

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HP Remote Graphics Software (RGS) User Manual Page 213