Gets the WebRequest object that is used to request the specified content.
Assembly: PresentationFramework (in PresentationFramework.dll)
System.Net.WebRequest is an abstract base class that encapsulates a Web request, and is protocol agnostic. For each common protocol, the .NET Framework includes a class that derives from System.Net.WebRequest and extends it with protocol specific state and behavior, including:
HttpWebRequest: URIs that use the http:// scheme to request files from Web servers.
FtpWebRequest: URIs that use the ftp:// scheme to request files from FTP servers.
FileWebRequest: URIs that use the file:// scheme to request local files.
You can both view and modify WebRequest details.
is null when navigation occurs by: