OPC Studio User's Guide and Reference
Retain Property (UAPubSubHeader)



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OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.PubSub Namespace > UAPubSubHeader Class : Retain Property
Determines whether the dataset message is retained by the server.
Syntax
'Declaration
 
Public Property Retain As Boolean
 
'Usage
 
Dim instance As UAPubSubHeader
Dim value As Boolean
 
instance.Retain = value
 
value = instance.Retain

Property Value

The default value of this property is False.

Remarks

If the data consists of multiple parts, the value is true only if all parts are retained. Multiple-part data can appear e.g. with key and delta frames.

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also