OPC Studio User's Guide and Reference
Match(UANodeId,UANodeId) Method



OpcLabs.EasyOpcUA Assembly > OpcLabs.EasyOpc.UA.AddressSpace Namespace > UANodeId Class > Match Method : Match(UANodeId,UANodeId) Method
First object to be matched.

Because the UANodeId has an implicit conversion from System.String, in languages that support implicit conversion operators (such as C# or VB.NET), you can simply use a string (representing the expanded text of the nodeId) in place of this parameter, and the corresponding OPC UA node Id will be constructed automatically. When the implicit conversion operators are not supported (such as with Python.NET), you can use the UANodeId Constructor(String) constructor instead.

The value of this parameter can be null (Nothing in Visual Basic).

Second object to be matched.

Because the UANodeId has an implicit conversion from System.String, in languages that support implicit conversion operators (such as C# or VB.NET), you can simply use a string (representing the expanded text of the nodeId) in place of this parameter, and the corresponding OPC UA node Id will be constructed automatically. When the implicit conversion operators are not supported (such as with Python.NET), you can use the UANodeId Constructor(String) constructor instead.

The value of this parameter can be null (Nothing in Visual Basic).

Determines whether the two node Ids match.
Syntax
'Declaration
 
Public Overloads Shared Function Match( _
   ByVal nodeId1 As UANodeId, _
   ByVal nodeId2 As UANodeId _
) As Boolean
'Usage
 
Dim nodeId1 As UANodeId
Dim nodeId2 As UANodeId
Dim value As Boolean
 
value = UANodeId.Match(nodeId1, nodeId2)
public static bool Match( 
   UANodeId nodeId1,
   UANodeId nodeId2
)
public:
static bool Match( 
   UANodeId^ nodeId1,
   UANodeId^ nodeId2
) 

Parameters

nodeId1
First object to be matched.

Because the UANodeId has an implicit conversion from System.String, in languages that support implicit conversion operators (such as C# or VB.NET), you can simply use a string (representing the expanded text of the nodeId) in place of this parameter, and the corresponding OPC UA node Id will be constructed automatically. When the implicit conversion operators are not supported (such as with Python.NET), you can use the UANodeId Constructor(String) constructor instead.

The value of this parameter can be null (Nothing in Visual Basic).

nodeId2
Second object to be matched.

Because the UANodeId has an implicit conversion from System.String, in languages that support implicit conversion operators (such as C# or VB.NET), you can simply use a string (representing the expanded text of the nodeId) in place of this parameter, and the corresponding OPC UA node Id will be constructed automatically. When the implicit conversion operators are not supported (such as with Python.NET), you can use the UANodeId Constructor(String) constructor instead.

The value of this parameter can be null (Nothing in Visual Basic).

Return Value

True if the objects are equal; false otherwise.
Remarks
For a match, identifiers must equal, but namespaces must equal only if present in both node Ids.

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

OPC UA node Id, represented by the UANodeId class, directly identifies a node in a server's address space.

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

Reference

UANodeId Class
UANodeId Members
Overload List
OPC UA Node IDs
Namespace indices in OPC UA Node Ids