IHttpControllerSelector.GetControllerMapping Method
Returns a map, keyed by controller string, of all HttpControllerDescriptor that the selector can select. This is primarily called by IApiExplorer to discover all the possible controllers in the system.
Namespace: System.Web.Http.Dispatcher
Assembly: System.Web.Http (in System.Web.Http.dll)
Return Value
Type: System.Collections.Generic.IDictionary<String, HttpControllerDescriptor>A map of all HttpControllerDescriptor that the selector can select, or null if the selector does not have a well-defined mapping of HttpControllerDescriptor.