| Name | Description | |
|---|---|---|
 | Arguments | Holds arguments that were used to subscribe to a monitored item in an OPC-UA server. |
| AttributeData | Attribute data: the value of an attribute, together with status code and timestamps. |
| Diagnostics | Diagnostics information (such as warnings) assembled during the operation. |
| DiagnosticsCount | Count of diagnostic information elements assembled during the operation. |
| DiagnosticsSummary | Textual summary of diagnostics information, one message per line. |
| DisplayString | The display string for the current object. |
| ErrorId | Gets or sets the error ID of the error. |
| ErrorMessage | Gets or sets a message that describes the current exception. |
| ErrorMessageBrief | The first line of the error message. |
| Exception | Gets the current exception. Contains null reference when no exception. |
| NormalizedDiagnostics | A normalized OpcLabs.BaseLib.OperationModel.OperationEventArgs.Diagnostics collection. |
| NormalizedException | A normalized OpcLabs.BaseLib.OperationModel.OperationEventArgs.Exception object, or null if there was no error. |
| StatusInfo | Basic technology-independent status information. An enumeration of four mutually exclusive status codes (Unknown, Normal, Warning, Error). |
| Succeeded | Gets indication whether the operation has succeeded. |
OPC Studio User's Guide and Reference
_EasyUADataChangeNotificationEventArgs Interface Properties