| Name | Description | |
|---|---|---|
 | Command | The incoming command (Inherited from DicomObjects.EventArguments.OperationBaseArgs) |
| Errors | List of errors found in an incoming request (Inherited from DicomObjects.EventArguments.OperationBaseArgs) |
| Instance | The received composite DICOM instance |
| Operation | The normalised operation currently requested (Inherited from DicomObjects.EventArguments.OperationBaseArgs) |
| PresentationContextId | The Presentation Context ID used to transmit this operation (Inherited from DicomObjects.EventArguments.OperationBaseArgs) |
| ReceivedFilename | Filename to which the instance has already been saved |
| Request | The incoming request (Inherited from DicomObjects.EventArguments.OperationBaseArgs) |
| RequestAssociation | The Association which contains the Query (Inherited from DicomObjects.EventArguments.OperationBaseArgs) |
| ResultDataSet | Specifies the result DicomDataSet to be sent back for Normalised operations operations for for failures for retrieval operations (Inherited from DicomObjects.EventArguments.OperationBaseArgs) |
| Status | The status to be sent back as a C-Echo response (Inherited from DicomObjects.EventArguments.OperationBaseArgs) |