System.Net.CFNetwork.CFWebProxy.GetProxy C# (CSharp) Method

			public Uri GetProxy (Uri targetUri)
			{
				NetworkCredential credentials = null;
				Uri proxy = null;
				
				if (targetUri == null)
					throw new ArgumentNullException ("targetUri");
				
				try {
					CFProxySettings settings = CFNetwork.GetSystemProxySettings ();
					CFProxy[] proxies = CFNetwork.GetProxiesForUri (targetUri, settings);
					
					if (proxies != null) {
						for (int i = 0; i < proxies.Length && proxy == null; i++) {
							switch (proxies[i].ProxyType) {
							case CFProxyType.AutoConfigurationJavaScript:
								proxy = GetProxyUriFromScript (proxies[i].AutoConfigurationJavaScript, targetUri, out credentials);
								break;
							case CFProxyType.AutoConfigurationUrl:
								// unsupported proxy type (requires fetching script from remote url)
								break;
							case CFProxyType.HTTPS:
							case CFProxyType.HTTP:
							case CFProxyType.FTP:
								// create a Uri based on the hostname/port/etc info
								proxy = GetProxyUri (proxies[i], out credentials);
								break;
							case CFProxyType.SOCKS:
								// unsupported proxy type, try the next one
								break;
							case CFProxyType.None:
								// no proxy should be used
								proxy = targetUri;
								break;
							}
						}
						
						if (proxy == null) {
							// no supported proxies for this Uri, fall back to trying to connect to targetUri directly
							proxy = targetUri;
						}
					} else {
						proxy = targetUri;
					}
				} catch {
					// ignore errors while retrieving proxy data
					proxy = targetUri;
				}
				
				if (!userSpecified)
					this.credentials = credentials;
				
				return proxy;
			}