OPC Studio User's Guide and Reference
HistoryRead Field



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OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA Namespace > UAEventNotifiers Class : HistoryRead Field
The Object has an event history which may be read.

The value of this constant is 4.

Syntax
'Declaration
 
Public Const HistoryRead As Byte
 
'Usage
 
Dim value As Byte
 
value = UAEventNotifiers.HistoryRead
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