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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)

public virtual void TransmitFile(
	string filename,
	long offset,
	long length
)

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, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.
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