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UriParser.IsKnownScheme Method

Indicates whether the parser for a scheme is registered.

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

public static bool IsKnownScheme(
	string schemeName


Type: System.String

The scheme name to check.

Return Value

Type: System.Boolean
true if schemeName has been registered; otherwise, false.


The schemeName parameter is null.


The schemeName parameter is not valid.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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