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Path.GetFileName Method

Returns the file name and extension of the specified path string.

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

static member GetFileName : 
        path:string -> string

Parameters

path
Type: System.String

The path string from which to obtain the file name and extension.

Return Value

Type: System.String
The characters after the last directory character in path. If the last character of path is a directory or volume separator character, this method returns String.Empty. If path is a null reference (Nothing in Visual Basic), this method returns a null reference (Nothing in Visual Basic).

ExceptionCondition
ArgumentException

path contains one or more of the invalid characters defined in GetInvalidPathChars.

The returned value is a null reference (Nothing in Visual Basic) if the file path is a null reference (Nothing in Visual Basic).

The separator characters used to determine the start of the file name are DirectorySeparatorChar and AltDirectorySeparatorChar.

For a list of common I/O tasks, see Common I/O Tasks.

The following code example demonstrates the behavior of the GetFileName method on a Windows-based desktop platform.

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

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Store apps

Supported in: Windows 8

Supported in: Windows Phone 8.1

Supported in: Windows Phone Silverlight 8.1

Supported in: Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, 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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