A dictionary of OPC-DA item mappings registered to the Unsubscribe operation.
Syntax
[NotNull()]
public SourceToMappingsDictionary<DAClientItemSource,DAClientItemMapping> UnsubscribeItemDictionary {get;}
[NotNull()]
public:
property SourceToMappingsDictionary<DAClientItemSource^,DAClientItemMapping^>^ UnsubscribeItemDictionary {
SourceToMappingsDictionary<DAClientItemSource^,DAClientItemMapping^>^ get();
}
'Declaration
<NotNullAttribute()>
Public ReadOnly Property UnsubscribeItemDictionary As SourceToMappingsDictionary(Of DAClientItemSource,DAClientItemMapping)
'Usage
Dim instance As DAClientOperationContext
Dim value As SourceToMappingsDictionary(Of DAClientItemSource,DAClientItemMapping)
value = instance.UnsubscribeItemDictionary
Property Value
The value of this property cannot be null
(Nothing
in Visual Basic).
The individual elements of the property value cannot be null
(Nothing
in Visual Basic).
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