public static string GetExtension(
	string path
)

Public Shared Function GetExtension ( 
	path As String
) As String

public:
static String^ GetExtension(
	String^ path
)

static member GetExtension : 
        path : string -> string 

Parameters

path

Type: SystemString
The path string from which to get the extension. The path cannot contain any of the characters defined in GetInvalidPathChars.

Return Value

The extension of the specified path (including the period "."), or null, or Empty.

If path is null, this method returns null.

If path does not have extension information, this method returns Empty.

Reference