Sent when a connection cancels an authentication challenge.
Original signature is '- (void)connection:(NSURLConnection *)connection didCancelAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge'
Available in Mac OS X v10.2 with Safari 1.0 installed and later.

C# | Visual Basic | Visual C++ |
public delegate void ConnectionDidCancelAuthenticationChallengeEventHandler( NSURLConnection connection, NSURLAuthenticationChallenge challenge )
Public Delegate Sub ConnectionDidCancelAuthenticationChallengeEventHandler ( _ connection As NSURLConnection, _ challenge As NSURLAuthenticationChallenge _ )
public delegate void ConnectionDidCancelAuthenticationChallengeEventHandler( NSURLConnection^ connection, NSURLAuthenticationChallenge^ challenge )

- connection (NSURLConnection)
- The connection sending the message.
- challenge (NSURLAuthenticationChallenge)
- The challenge that was canceled.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)