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HttpResponseBase.TransmitFile Method (String, Int64, Int64)

When overridden in a derived class, writes the specified part of a file to the HTTP response output stream, without buffering it in memory.

Namespace:  System.Web
Assembly:  System.Web (in System.Web.dll)

abstract TransmitFile : 
        filename:string * 
        offset:int64 * 
        length:int64 -> unit  
override TransmitFile : 
        filename:string * 
        offset:int64 * 
        length:int64 -> unit

Parameters

filename
Type: System.String

The name of the file to write to the HTTP output stream.

offset
Type: System.Int64

The position in the file where writing starts.

length
Type: System.Int64

The number of bytes to write, starting at offset.

ExceptionCondition
NotImplementedException

Always.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5 SP1

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.

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