QuickOPC User's Guide and Reference
DataChangeFilter Property (UAMonitoringParameters)



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA Namespace > UAMonitoringParameters Class : DataChangeFilter Property
Optional data change filter. Defines the conditions under which a data change notification should be reported.
Syntax
'Declaration
 
<DefaultValueAttribute(Mono.Cecil.CustomAttributeArgument)>
<NullableAttribute()>
<XmlIgnoreAttribute()>
Public Property DataChangeFilter As UADataChangeFilter
'Usage
 
Dim instance As UAMonitoringParameters
Dim value As UADataChangeFilter
 
instance.DataChangeFilter = value
 
value = instance.DataChangeFilter
[DefaultValue(Mono.Cecil.CustomAttributeArgument)]
[Nullable()]
[XmlIgnore()]
public UADataChangeFilter DataChangeFilter {get; set;}
[DefaultValue(Mono.Cecil.CustomAttributeArgument)]
[Nullable()]
[XmlIgnore()]
public:
property UADataChangeFilter^ DataChangeFilter {
   UADataChangeFilter^ get();
   void set (    UADataChangeFilter^ value);
}
Remarks

In order to obtain or modify this parameter, access the OpcLabs.EasyOpc.UA.OperationModel.UAMonitoredItemArguments.MonitoringParameters.

This method or property does not throw any exceptions, aside from execution exceptions such as System.Threading.ThreadAbortException or System.OutOfMemoryException.

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