Gets the size of the data, starting at the offset that contains the data for a FileResponseElement instance.
Assembly: System.Web (in System.Web.dll)
If the complete output-cache response is contained in a single file, an output cache provider initializes the FileResponseElement class by using a length equal to the size of the whole file. If the complete output cache response is contained in only part of a file, a provider initializes the FileResponseElement class by using a length equal to the size of the output-cache response that is stored in that file.
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.