The credentials to submit to the proxy server for authentication.
Assembly: System (in System.dll)
The property is an ICredentials instance that contains the authorization credentials to send to the proxy server in response to an HTTP 407 (proxy authorization) status code.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.