GetExtension Method

Path.GetExtension Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Returns the extension of the specified path string.

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

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

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 "."), Nothing, or Empty. If path is Nothing, GetExtension returns Nothing. If path does not have extension information, GetExtension returns Empty.

ExceptionCondition
ArgumentException

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

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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