[This is preliminary documentation and is subject to change.]
Occurs when the process of archiving IDataPoint to historic ArchiveFile is started.
Declaration Syntax| C# | Visual Basic | Visual C++ |
public event EventHandler HistoricDataWriteStart
Public Event HistoricDataWriteStart As EventHandler
public: event EventHandler^ HistoricDataWriteStart { void add (EventHandler^ value); void remove (EventHandler^ value); }