Syntax
| Visual Basic (Usage) |  Copy Code |
|---|---|
Dim instance As Session Dim nodesToUpdate As IList(Of UpdateDataDetails) Dim settings As RequestSettings Dim callback As AsyncCallback Dim userData As Object Dim value As IAsyncResult value = instance.BeginHistoryUpdateData(nodesToUpdate, settings, callback, userData) | |
| C# | |
|---|---|
public IAsyncResult BeginHistoryUpdateData( IList<UpdateDataDetails> nodesToUpdate, RequestSettings settings, AsyncCallback callback, object userData ) | |
Parameters
- nodesToUpdate
- The list of variable nodes to update, including the data provided for the update.
- settings
- The general settings for the request. If null, the default settings from the property #DefaultRequestSettings are used.
- callback
- The callback to use when the async call completes.
- userData
- The user data that is passed to the callback.
Return Value
An object which must be passed to the EndHistoryUpdateData method.Requirements
Target Platforms: Windows 7/8/10, Windows Server 2003/2008/2012/2015, .NET4.x