Registers a WebRequest descendant for the specified URI.
Assembly: System (in System.dll)
Return ValueType: System.Boolean
true if registration is successful; otherwise, false.
The method registers WebRequest descendants to service requests. WebRequest descendants are typically registered to handle a specific protocol, such HTTP or FTP, but can be registered to handle a request to a specific server or path on a server.
The pre-registered reserve types already registered include the following:
Duplicate prefixes are not allowed. returns false if an attempt is made to register a duplicate prefix.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.