This documentation is archived and is not being maintained.

FileInfo.Length Property

Gets the size, in bytes, of the current file.

Namespace:  System.IO
Assembly:  mscorlib (in mscorlib.dll)

member Length : int64

Property Value

Type: System.Int64
The size of the current file in bytes.

ExceptionCondition
IOException

Refresh cannot update the state of the file or directory.

FileNotFoundException

The file does not exist.

-or-

The Length property is called for a directory.

The value of the Length property is pre-cached if the current instance of the FileInfo object was returned from any of the following DirectoryInfomethods:

To get the latest value, call the Refresh method.

The following example displays the size of the specified files.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, 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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