EasyUA Reference
BeginRead Method
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EasyUA Assembly > Advosol.EasyUA Namespace > Session Class : BeginRead Method

Glossary Item Box

Reads values and attributes asynchronously from OPC server.

Overload List

OverloadDescription
BeginRead(IList<ReadValueId>,UInt32,TimestampsToReturn,RequestSettings,AsyncCallback,Object) Reads values and attributes asynchronously from OPC server.  
BeginRead(IList<ReadValueId>,UInt32,TimestampsToReturn,AsyncCallback,Object)Reads values and attributes asynchronously from server.
The default requests settings are used  
BeginRead(IList<ReadValueId>,UInt32,AsyncCallback,Object)Reads values and attributes asynchronously from OPC server.
The default requests settings are used. The timestamps are returned according the TimestampToReturn property (the default is SOURCE).  
BeginRead(IList<ReadValueId>,AsyncCallback,Object)Reads values and attributes asynchronously from OPC server.
The default requests settings are used. The timestamps are returned according the TimestampToReturn property (the default is SOURCE). MaxAge is set to 60000 (the cache value is returned unless the cache value is older than 1 minute).  

Requirements

Target Platforms: Windows 7/8/10, Windows Server 2003/2008/2012/2015, .NET4.x

See Also

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