'Declaration
<ExtensionAttribute()> <CanBeNullAttribute()> Public Overloads Shared Function ReadValue( _ ByVal client As IEasyUAClient, _ ByVal nodeArguments As UANodeArguments, _ ByVal attributeId As UAAttributeId _ ) As Object
'Usage
Dim client As IEasyUAClient Dim nodeArguments As UANodeArguments Dim attributeId As UAAttributeId Dim value As Object value = IEasyUAClientExtension.ReadValue(client, nodeArguments, attributeId)
[Extension()] [CanBeNull()] public static object ReadValue( IEasyUAClient client, UANodeArguments nodeArguments, UAAttributeId attributeId )
[Extension()] [CanBeNull()] public: static Object^ ReadValue( IEasyUAClient^ client, UANodeArguments^ nodeArguments, UAAttributeId attributeId )
Parameters
- client
- The client object that will perform the operation.
This is typically the EasyUAClient object.
The value of this parameter cannot be
null
(Nothing
in Visual Basic). - nodeArguments
- An object that specifies the node in the OPC server.
The value of this parameter cannot be
null
(Nothing
in Visual Basic). - attributeId
- Attribute Id. Identifies an attribute of a node.
Return Value
This method can return null
(Nothing
in Visual Basic).