www.pudn.com > 20040623netCip.rar > IEProxy.cs, change:2004-05-06,size:2660b

using System; 
using Microsoft.Win32; 
 
namespace SwitchNetConfig 
{ 
	/// <summary> 
	/// Summary description for IEProxy. 
	/// </summary> 
	public class IEProxy 
	{ 
		#region Variables 
 
		private static readonly RegistryKey currentUser = Registry.CurrentUser;		 
		private static RegistryKey _InternetSettings; 
 
		#endregion 
 
		#region Public static methods 
		/// <summary> 
		/// Open the key where Internet Explorer store's its proxy setting 
		/// </summary> 
		private static void OpenInternetSettings() 
		{ 
			_InternetSettings = currentUser.OpenSubKey(@"Software\Microsoft\Windows\CurrentVersion\Internet Settings", true); 
		} 
		 
		/// <summary> 
		/// Proxy Server name. It can be IP, IP:PORT or a HTTP URL with PORT 
		/// </summary> 
		public static string ProxyServer 
		{ 
			get 
			{ 
				OpenInternetSettings(); 
				 
				string value = (string)_InternetSettings.GetValue( "ProxyServer", string.Empty ); 
				_InternetSettings.Close(); 
 
				return value; 
			} 
			set 
			{ 
				OpenInternetSettings(); 
				 
				_InternetSettings.SetValue( "ProxyServer", value );	 
				_InternetSettings.Close(); 
			} 
		} 
 
		/// <summary> 
		/// True means proxy setting is applied, otherwise proxy is ignored 
		/// </summary> 
		public static bool ProxyEnabled 
		{ 
			get 
			{ 
				OpenInternetSettings(); 
				 
				int value = (int)_InternetSettings.GetValue( "ProxyEnable", 0 ); 
				_InternetSettings.Close(); 
 
				return (value > 0); 
			} 
			set 
			{ 
				OpenInternetSettings(); 
		 
				int setValue = ( value ? 1 : 0 ); 
				_InternetSettings.SetValue( "ProxyEnable", setValue ); 
				_InternetSettings.Close(); 
			} 
		} 
 
		public static bool BypassProxyForLocal 
		{ 
			get 
			{ 
				OpenInternetSettings(); 
 
				string value = (string) _InternetSettings.GetValue( "ProxyOverride", string.Empty ); 
				_InternetSettings.Close(); 
 
				// If bypass proxy set, then it should contain <local> 
				if( value.IndexOf("<local>") >= 0 ) 
					return true; 
				else 
					return false; 
 
				 
			} 
			set 
			{ 
				OpenInternetSettings(); 
 
				string existingValue = (string) _InternetSettings.GetValue( "ProxyOverride", string.Empty ); 
				if( existingValue.IndexOf("<local>") >= 0 ) 
				{ 
					if( !value ) 
						existingValue = existingValue.Replace( ";" + Environment.NewLine + "<local>", "" ); 
 
				} 
				else 
				{ 
					// does not contain the local keyword. Add it. 
					if( value ) 
						existingValue += ";" + Environment.NewLine + "<local>"; 
				} 
 
				_InternetSettings.SetValue( "ProxyOverride", existingValue ); 
				_InternetSettings.Close(); 
			} 
		} 
 
		#endregion 
	} 
}