| ICallsignRouteFetcher Interface | 
Namespace: VirtualRadar.Interface.StandingData
The ICallsignRouteFetcher type exposes the following members.
| Name | Description | |
|---|---|---|
| Singleton | 
            Gets the single instance of the class that should be used throughout the application.
              (Inherited from ISingletonT.) | 
| Name | Description | |
|---|---|---|
| RegisterAircraft | 
            Registers an aircraft's callsign with the fetcher. If the details are already known
            then they are immediately returned, otherwise they will be fetched on a background
            thread.
              | 
| Name | Description | |
|---|---|---|
| Fetched | 
            Raised when callsign details have been fetched or changed, or if a fetch attempt was
            made and no details could be found.
              |