Share via


Path.GetExtension Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

When it is called by trusted applications, returns the extension of the specified path string.

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

Syntax

'Declaration
Public Shared Function GetExtension ( _
    path As String _
) As String
public static string GetExtension(
    string path
)

Parameters

  • path
    Type: System.String
    The path string from which to get the extension.

Return Value

Type: System.String
A String containing the extension of the specified path (including the "."), nulla null reference (Nothing in Visual Basic), or Empty. If path is nulla null reference (Nothing in Visual Basic), GetExtension returns nulla null reference (Nothing in Visual Basic). If path does not have extension information, GetExtension returns Empty.

Exceptions

Exception Condition
ArgumentException

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

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

See Also

Reference

Other Resources