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Uri::CheckSchemeName Method (String^)

.NET Framework (current version)
 

Determines whether the specified scheme name is valid.

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

C#
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F#
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public:
static bool CheckSchemeName(
	String^ schemeName
)

Parameters

schemeName
Type: System::String^

The scheme name to validate.

Return Value

Type: System::Boolean

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 by default. If International Resource Identifiers (IRIs) or Internationalized Domain Name (IDN) parsing is enabled, this method checks the scheme name for validity according to RFC 3986. The scheme name must begin with a letter and must contain only letters, digits, and the characters ".", "+", or "-".

For more information on IRI support, see the Remarks section for the Uri class.

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

C#
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Uri^ address1 = gcnew Uri( "http://www.contoso.com/index.htm#search" );
Console::WriteLine( "address 1 {0} a valid scheme name",
   Uri::CheckSchemeName( address1->Scheme ) ? (String^)" has" : " does not have" );
if ( address1->Scheme == Uri::UriSchemeHttp )
{
   Console::WriteLine( "Uri is HTTP type" );
}

Console::WriteLine( address1->HostNameType );

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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