Gets or sets the credentials to submit to the proxy server for authentication.
Assembly: System (in System.dll)
If you set the DefaultCredentials, setting the UseDefaultCredentials property to true causes a InvalidOperationException. To prevent this, you must set the property to null before setting the UseDefaultCredentials property to true. Likewise, you cannot set this property to any value when UseDefaultCredentials is true.property to credentials other than the
Available since 1.1