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Path.GetExtension Method

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

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

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 "."), null, or Empty. If path is null, GetExtension returns null. If path does not have extension information, GetExtension returns Empty.

ExceptionCondition
ArgumentException

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

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

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

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