WebProxy Class (System.Net) | Microsoft Docs
WebProxy Class () | Microsoft Docs
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Definition
Contains HTTP proxy settings for the WebRequest class.
In this article
public ref class WebProxy: System::Net::IWebProxy, System::Runtime::Serialization::ISerializable
public ref class WebProxy: System::Runtime::Serialization::ISerializable
public class WebProxy:, erializable
[rializable]
public class WebProxy: erializable
type WebProxy = class
interface IWebProxy
interface ISerializable
[
Public Class WebProxy
Implements ISerializable, IWebProxy
Implements ISerializable
Inheritance
Attributes
Implements
Examples
The following code example assigns a WebProxy instance to a WebRequest instance. The WebRequest instance uses the proxy to connect to external Internet resources. (For an example that demonstrates using the WPAD feature, see the documentation for the IWebProxyScript class. )
WebProxy^ proxyObject = gcnew WebProxy( “proxyserver:80/”, true);
WebRequest^ req = WebRequest::Create( “);
req->Proxy = proxyObject;
WebProxy proxyObject = new WebProxy(“proxyserver:80/”, true);
WebRequest req = (“);
= proxyObject;
Dim proxyObject As New WebProxy(“proxyserver:80/”, True)
Dim req As WebRequest = (“)
= proxyObject
Remarks
The WebProxy class contains the proxy settings that WebRequest instances use to determine whether a Web proxy is used to send requests. Global Web proxy settings can be specified in machine and application configuration files, and applications can use instances of the WebProxy class to customize Web proxy use. The WebProxy class is the base implementation of the IWebProxy interface.
To obtain instances of the Web proxy class, you can use any of the following methods:
The WebProxy constructor.
The GetDefaultProxy method.
The Select method.
These methods each supply a WebProxy instance that you can further customize; the difference between them is how the instance is initialized before it is returned to your application. The WebProxy constructor returns an instance of the WebProxy class with the Address property set to null. When a request uses a WebProxy instance in this state, no proxy is used to send the request.
The GetDefaultProxy method returns an instance of the WebProxy class with the Address, BypassProxyOnLocal, and BypassList properties set to the values used by Internet Explorer 5. 5 and later.
The Select method returns an instance of the WebProxy class with it properties set according to a combination of Internet Explorer and configuration file settings.
The WebProxy class supports automatic detection and execution of proxy configuration scripts. This feature is also known as Web Proxy Auto-Discovery (WPAD). When using automatic proxy configuration, a configuration script, typically named, must be located, downloaded, compiled, and run. If these operations are successful, the script returns the proxies that can be used for a request.
Constructors
WebProxy()
Initializes an empty instance of the WebProxy class.
WebProxy(SerializationInfo, StreamingContext)
Initializes an instance of the WebProxy class using previously serialized content.
WebProxy(String)
Initializes a new instance of the WebProxy class with the specified URI.
WebProxy(String, Boolean)
Initializes a new instance of the WebProxy class with the specified URI and bypass setting.
WebProxy(String, Boolean, String[])
Initializes a new instance of the WebProxy class with the specified URI, bypass setting, and list of URIs to bypass.
WebProxy(String, Boolean, String[], ICredentials)
Initializes a new instance of the WebProxy class with the specified URI, bypass setting, list of URIs to bypass, and credentials.
WebProxy(String, Int32)
Initializes a new instance of the WebProxy class with the specified host and port number.
WebProxy(Uri)
Initializes a new instance of the WebProxy class from the specified Uri instance.
WebProxy(Uri, Boolean)
Initializes a new instance of the WebProxy class with the Uri instance and bypass setting.
WebProxy(Uri, Boolean, String[])
Initializes a new instance of the WebProxy class with the specified Uri instance, bypass setting, and list of URIs to bypass.
WebProxy(Uri, Boolean, String[], ICredentials)
Initializes a new instance of the WebProxy class with the specified Uri instance, bypass setting, list of URIs to bypass, and credentials.
Properties
Address
Gets or sets the address of the proxy server.
BypassArrayList
Gets a list of addresses that do not use the proxy server.
BypassList
Gets or sets an array of addresses that do not use the proxy server.
BypassProxyOnLocal
Gets or sets a value that indicates whether to bypass the proxy server for local addresses.
Credentials
Gets or sets the credentials to submit to the proxy server for authentication.
UseDefaultCredentials
Gets or sets a Boolean value that controls whether the DefaultCredentials are sent with requests.
Methods
CreateDefaultProxy()
Equals(Object)
Determines whether the specified object is equal to the current object.
(Inherited from Object)
GetDefaultProxy()
Obsolete.
Reads the Internet Explorer nondynamic proxy settings.
GetHashCode()
Serves as the default hash function.
GetObjectData(SerializationInfo, StreamingContext)
Populates a SerializationInfo with the data that is needed to serialize the target object.
GetProxy(Uri)
Returns the proxied URI for a request.
GetType()
Gets the Type of the current instance.
IsBypassed(Uri)
Indicates whether to use the proxy server for the specified host.
MemberwiseClone()
Creates a shallow copy of the current Object.
ToString()
Returns a string that represents the current object.
Explicit Interface Implementations
Applies to
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Frequently Asked Questions about webproxy net
What is a WebProxy C#?
The WebProxy class contains the proxy settings that WebRequest instances use to determine whether a Web proxy is used to send requests. Global Web proxy settings can be specified in machine and application configuration files, and applications can use instances of the WebProxy class to customize Web proxy use.
How do I use WebProxy?
Connecting to a proxy serverOpen Chrome.Open the Customize and control Google Chrome menu.Click Settings > System > Open proxy settings.Use Internet Properties to set up a connection for your type of network: … Enter the address of your proxy server, and a proxy port number.Click OK to save your changes.
How do I open a proxy site?
How to set up a proxy server in WindowsPress the Windows + I keys simultaneously to access the Windows Settings menu.On Windows 10, click Settings > Network & Internet > Proxy. … Under the Manual Setup section, set the “Use a Proxy Server” toggle to On.More items…•Mar 11, 2020