This documentation is archived and is not being maintained.

Uri.CheckSchemeName Method

Determines whether the specified scheme name is valid.

Namespace: System
Assembly: System (in system.dll)

public static bool CheckSchemeName (
	string schemeName
)
public static boolean CheckSchemeName (
	String schemeName
)
public static function CheckSchemeName (
	schemeName : String
) : boolean
Not applicable.

Parameters

schemeName

The scheme name to validate.

Return Value

A Boolean value that is true if the scheme name is valid; otherwise, false.

This method checks the scheme name for validity according to RFC 2396 and RFC 3986. The scheme name must begin with a letter and must contain only letters, digits, and the characters ".", "+", or "-".

The following example creates a Uri instance and checks whether the scheme name is valid.

Uri address1 = new Uri("http://www.contoso.com/index.htm#search");
Console.WriteLine("address 1 {0} a valid scheme name",
      Uri.CheckSchemeName(address1.Scheme) ? " has" : " does not have");

if (address1.Scheme == Uri.UriSchemeHttp)
    Console.WriteLine("Uri is HTTP type");
      
Console.WriteLine(address1.HostNameType);

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0
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