OPC Studio User's Guide and Reference
MinimumEffectiveValueAge Property (DAAutoSubscribingParameters)



OpcLabs.EasyOpcClassicCore Assembly > OpcLabs.EasyOpc.DataAccess.Optimization Namespace > DAAutoSubscribingParameters Class : MinimumEffectiveValueAge Property
The minimum effective value age in the Read request for it to be considered in auto-subscribing.
Syntax
'Declaration
 
<DataMemberAttribute()>
<DefaultValueAttribute(100)>
Public Property MinimumEffectiveValueAge As Integer
'Usage
 
Dim instance As DAAutoSubscribingParameters
Dim value As Integer
 
instance.MinimumEffectiveValueAge = value
 
value = instance.MinimumEffectiveValueAge
[DataMember()]
[DefaultValue(100)]
public int MinimumEffectiveValueAge {get; set;}
[DataMember()]
[DefaultValue(100)]
public:
property int MinimumEffectiveValueAge {
   int get();
   void set (    int value);
}
Remarks

Zero or low value ages have very little chances of cache hit with any subscription update rate.

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