Visual Basic (Declaration) | |
---|---|
Public Function BeginHistoryRead( _ ByVal requestHeader As RequestHeader, _ ByVal historyReadDetails As ExtensionObject, _ ByVal timestampsToReturn As TimestampsToReturn, _ ByVal releaseContinuationPoints As Boolean, _ ByVal nodesToRead As HistoryReadValueIdCollection, _ ByVal callback As AsyncCallback, _ ByVal asyncState As Object _ ) As IAsyncResult |
Parameters
- requestHeader
- historyReadDetails
- timestampsToReturn
- releaseContinuationPoints
- nodesToRead
- callback
- asyncState
Target Platforms: Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows 7, Windows Server 2008 family