| Overload | Description |
|---|---|
| ReadValue(IEasyUAClient,UAEndpointDescriptor,UANodeDescriptor) | Reads an attribute from an OPC server. Only the attribute's value is returned (status code and timestamps are not returned). Reads an attribute's value using an endpoint descriptor and a node Id. |
| ReadValue(IEasyUAClient,UAEndpointDescriptor,UANodeDescriptor,UAAttributeId) | Reads an attribute from an OPC server. Only the attribute's value is returned (status code and timestamps are not returned). Reads an attribute's value using an endpoint descriptor, node Id and attribute Id. |
| ReadValue(IEasyUAClient,UAEndpointDescriptor,UANodeDescriptor,UAIndexRangeList) | Reads an attribute from an OPC server. Only the attribute's value is returned (status code and timestamps are not returned). Reads a value of Value attribute of a node, node Id and an index range list. |
| ReadValue(IEasyUAClient,UAEndpointDescriptor,UANodeDescriptor,UAReadParameters) | Reads an attribute from an OPC server. Only the attribute's value is returned (status code and timestamps are not returned). Reads an attribute's value using an endpoint descriptor, a node Id, and a read parameters object. |
| ReadValue(IEasyUAClient,UANodeArguments) | Reads an attribute from an OPC server. Only the attribute's value is returned (status code and timestamps are not returned). Reads a value of Value attribute of a node, using an object that holds the node information. |
| ReadValue(IEasyUAClient,UANodeArguments,UAAttributeId) | Reads an attribute from an OPC server. Only the attribute's value is returned (status code and timestamps are not returned). Reads a value of a specified attribute of a node, using an object that holds the node information, and an attribute Id. |
| ReadValue(IEasyUAClient,UANodeArguments,UAIndexRangeList) | Reads an attribute from an OPC server. Only the attribute's value is returned (status code and timestamps are not returned). Reads a value of a specified attribute of a node, using an object that holds the node information, and an index range list. |
| ReadValue(IEasyUAClient,UANodeArguments,UAReadParameters) | Reads an attribute from an OPC server. Only the attribute's value is returned (status code and timestamps are not returned). Reads a value of Value attribute of a node, using an object that holds the node information, and a read parameters object. |
| ReadValue(IEasyUAClient,UAReadArguments) | Reads an attribute from an OPC server. Only the attribute's value is returned (status code and timestamps are not returned). Reads an attribute's value using an object that holds all necessary arguments. |
OPC Studio User's Guide and Reference
ReadValue Method (IEasyUAClientExtension)