Syntax
| Visual Basic (Usage) |  Copy Code |
|---|---|
Dim instance As Session Dim nodeId As NodeId Dim callback As AsyncCallback Dim userData As Object Dim value As IAsyncResult value = instance.BeginReadValue(nodeId, callback, userData) | |
| C# | |
|---|---|
public IAsyncResult BeginReadValue( NodeId nodeId, AsyncCallback callback, object userData ) | |
Parameters
- nodeId
- The node Id.
- 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 EndReadValue method.Requirements
Target Platforms: Windows 7/8/10, Windows Server 2003/2008/2012/2015, .NET4.x