Defines the contract that a channel must implement to be on the requesting side of a request-reply communication between messaging endpoints.
Assembly: System.ServiceModel (in System.ServiceModel.dll)
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.