.NET Framework Class Library
Path..::.GetFileNameWithoutExtension Method

Returns the file name of the specified path string without the extension.

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

Visual Basic (Declaration)
Public Shared Function GetFileNameWithoutExtension ( _
    path As String _
) As String
Visual Basic (Usage)
Dim path As String
Dim returnValue As String

returnValue = Path.GetFileNameWithoutExtension(path)
C#
public static string GetFileNameWithoutExtension(
    string path
)
Visual C++
public:
static String^ GetFileNameWithoutExtension(
    String^ path
)
JScript
public static function GetFileNameWithoutExtension(
    path : String
) : String

Parameters

path
Type: System..::.String
The path of the file.

Return Value

Type: System..::.String
A String containing the string returned by GetFileName, minus the last period (.) and all characters following it.
Exceptions

ExceptionCondition
ArgumentException

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

Remarks

This method does not verify that the path or file name exists.

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

Examples

The following code example demonstrates a use of the GetFileNameWithoutExtension method.

Visual Basic
Dim fileName As String = "C:\mydir\myfile.ext"
Dim pathname As String = "C:\mydir\"
Dim result As String

result = Path.GetFileNameWithoutExtension(fileName)
Console.WriteLine("GetFileNameWithoutExtension('{0}') returns '{1}'", fileName, result)

result = Path.GetFileName(pathname)
Console.WriteLine("GetFileName('{0}') returns '{1}'", pathname, result)

' This code produces output similar to the following:
'
' GetFileNameWithoutExtension('C:\mydir\myfile.ext') returns 'myfile'
' GetFileName('C:\mydir\') returns ''
C#
string fileName = @"C:\mydir\myfile.ext";
string path = @"C:\mydir\";
string result;

result = Path.GetFileNameWithoutExtension(fileName);
Console.WriteLine("GetFileNameWithoutExtension('{0}') returns '{1}'", 
    fileName, result);

result = Path.GetFileName(path);
Console.WriteLine("GetFileName('{0}') returns '{1}'", 
    path, result);

// This code produces output similar to the following:
//
// GetFileNameWithoutExtension('C:\mydir\myfile.ext') returns 'myfile'
// GetFileName('C:\mydir\') returns ''
Visual C++
String^ fileName = "C:\\mydir\\myfile.ext";
String^ path = "C:\\mydir\\";
String^ result;
result = Path::GetFileNameWithoutExtension( fileName );
Console::WriteLine( "GetFileNameWithoutExtension('{0}') returns '{1}'", fileName, result );
result = Path::GetFileName( path );
Console::WriteLine( "GetFileName('{0}') returns '{1}'", path, result );

// This code produces output similar to the following:
//
// GetFileNameWithoutExtension('C:\mydir\myfile.ext') returns 'myfile'
// GetFileName('C:\mydir\') returns ''
JScript
var fileName : String = "C:\\mydir\\myfile.ext";
var path : String = "C:\\mydir\\";
var result : String;

result = Path.GetFileNameWithoutExtension(fileName);
Console.WriteLine("GetFileNameWithoutExtension('{0}') returns '{1}'", 
                  fileName, result);

result = Path.GetFileName(path);
Console.WriteLine("GetFileName('{0}') returns '{1}'", 
                  path, result);
Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Version Information

.NET Framework

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

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0
See Also

Reference

Other Resources

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Community Content

Dave Sexton
Null or empty path argument

Specifying null (Nothing in Visual Basic) for the path argument yields a null return value.

Specifying an empty string for the path argument yields an empty string ("") as the return value.

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