Syntax
| Visual Basic (Declaration) | |
|---|---|
<OperationContractAttribute(AsyncPattern=True, Action="http://opcfoundation.org/UA/2008/02/Services.wsdl/HistoryUpdate", ReplyAction="http://opcfoundation.org/UA/2008/02/Services.wsdl/HistoryUpdateResponse")> Function BeginHistoryUpdate( _ ByVal request As HistoryUpdateMessage, _ ByVal callback As AsyncCallback, _ ByVal asyncState As Object _ ) As IAsyncResult | |
| C# | |
|---|---|
[OperationContractAttribute(AsyncPattern=true, Action="http://opcfoundation.org/UA/2008/02/Services.wsdl/HistoryUpdate", ReplyAction="http://opcfoundation.org/UA/2008/02/Services.wsdl/HistoryUpdateResponse")] IAsyncResult BeginHistoryUpdate( HistoryUpdateMessage request, AsyncCallback callback, object asyncState ) | |
Parameters
- request
- callback
- asyncState
Requirements
Target Platforms: Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows 7, Windows Server 2008 family