The fields of the Level class are listed below. For a complete list of Level class members, see the Level Members topic.
Public Static (Shared) Fields
  Alert | The Alert level designates very severe error events. Take immediate action, alerts. |
| All | The All level designates the lowest level possible. |
| Critical | The Critical level designates very severe error events. Critical condition, critical. |
| Debug | The Debug level designates fine-grained informational events that are most useful to debug an application. |
| Emergency | The Emergency level designates very severe error events. System unusable, emergencies. |
| Error | The Error level designates error events that might still allow the application to continue running. |
| Fatal | The Fatal level designates very severe error events that will presumably lead the application to abort. |
| Fine | The Fine level designates fine-grained informational events that are most useful to debug an application. |
| Finer | The Finer level designates fine-grained informational events that are most useful to debug an application. |
| Finest | The Finest level designates fine-grained informational events that are most useful to debug an application. |
| Info | The Info level designates informational messages that highlight the progress of the application at coarse-grained level. |
| Notice | The Notice level designates informational messages that highlight the progress of the application at the highest level. |
| Off | The Off level designates a higher level than all the rest. |
| Severe | The Severe level designates very severe error events. |
| Trace | The Trace level designates fine-grained informational events that are most useful to debug an application. |
| Verbose | The Verbose level designates fine-grained informational events that are most useful to debug an application. |
| Warn | The Warn level designates potentially harmful situations. |
See Also
Level Class | log4net.Core Namespace