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HttpResponseWrapper.WriteFile Method (IntPtr, Int64, Int64)

Writes the specified file to the HTTP response output stream.

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

public override void WriteFile(
	IntPtr fileHandle,
	long offset,
	long size
)

Parameters

fileHandle
Type: System.IntPtr

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

offset
Type: System.Int64

The position in the file where writing starts.

size
Type: System.Int64

The number of bytes to write, starting at offset.

ExceptionCondition
ArgumentNullException

fileHandle is null.

HttpException

offset is less than 0.

- or -

size is greater than the file size minus offset.

.NET Framework

Supported in: 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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