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.