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 event NSURLConnection..::..ConnectionDidCancelAuthenticationChallengeEventHandler ConnectionDidCancelAuthenticationChallenge
Public Event ConnectionDidCancelAuthenticationChallenge As NSURLConnection..::..ConnectionDidCancelAuthenticationChallengeEventHandler
public: event NSURLConnection..::..ConnectionDidCancelAuthenticationChallengeEventHandler^ ConnectionDidCancelAuthenticationChallenge { void add (NSURLConnection..::..ConnectionDidCancelAuthenticationChallengeEventHandler^ value); void remove (NSURLConnection..::..ConnectionDidCancelAuthenticationChallengeEventHandler^ value); }

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