'Declaration
<ExtensionAttribute()> <CanBeNullAttribute()> Public Overloads Shared Function ReadValue( _ ByVal client As IEasyUAClient, _ ByVal nodeArguments As UANodeArguments, _ ByVal indexRangeList As UAIndexRangeList _ ) As Object
'Usage
Dim client As IEasyUAClient Dim nodeArguments As UANodeArguments Dim indexRangeList As UAIndexRangeList Dim value As Object value = IEasyUAClientExtension.ReadValue(client, nodeArguments, indexRangeList)
[Extension()] [CanBeNull()] public static object ReadValue( IEasyUAClient client, UANodeArguments nodeArguments, UAIndexRangeList indexRangeList )
[Extension()] [CanBeNull()] public: static Object^ ReadValue( IEasyUAClient^ client, UANodeArguments^ nodeArguments, UAIndexRangeList^ indexRangeList )
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). - indexRangeList
- List of index ranges.
The value of this parameter cannot be
null
(Nothing
in Visual Basic).The individual elements of the parameter value cannot be
null
(Nothing
in Visual Basic).
Return Value
This method can return null
(Nothing
in Visual Basic).