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Applies to: Excel 2013 | Office 2013 | Visual Studio
Checks whether a session is valid. This function is typically called when Excel needs to determine if a previously returned session ID is still active and can be used.
int PingSession(int SessionId)
Parameters
SessionID
The ID of the session to ping. This value must match an ID returned by a previous call to OpenSession.
Return value
xlHpcRetSuccess if the SessionId argument is valid; otherwise xlHpcRetInvalidSessionId.