Uri.Scheme Property

Definition

Namespace:

System

Assembly:

System.Runtime.dll

Source:

Uri.cs

Gets the scheme name for this URI.

public:
 property System::String ^ Scheme { System::String ^ get(); };

public string Scheme { get; }

member this.Scheme : string

Public ReadOnly Property Scheme As String

Property Value

String

The scheme for this URI, converted to lowercase.

Exceptions

InvalidOperationException

This instance represents a relative URI, and this property is valid only for absolute URIs.

Examples

The following example writes the scheme name (http) to the console for the http://www.contoso.com/ URI.

Uri^ baseUri = gcnew Uri( "http://www.contoso.com/" );
Uri^ myUri = gcnew Uri( baseUri,"catalog/shownew.htm?date=today" );
Console::WriteLine( myUri->Scheme );

Uri baseUri = new Uri("http://www.contoso.com/");
Uri myUri = new Uri(baseUri, "catalog/shownew.htm?date=today");

Console.WriteLine(myUri.Scheme);

open System

let baseUri = Uri "http://www.contoso.com/"
let myUri = Uri(baseUri, "catalog/shownew.htm?date=today")

printfn $"{myUri.Scheme}"

Dim baseUri As New Uri("http://www.contoso.com/")
Dim myUri As New Uri(baseUri, "catalog/shownew.htm?date=today")
       
Console.WriteLine(myUri.Scheme)

Remarks

The Scheme property returns the scheme used to initialize the Uri instance. This property does not indicate that the scheme used to initialize the Uri instance was recognized.

The following table shows examples of some possible values returned by the Scheme property.

Scheme	Description
file	The resource is a file on the local computer.
ftp	The resource is accessed through FTP.
gopher	The resource is accessed through the Gopher protocol.
http	The resource is accessed through HTTP.
https	The resource is accessed through SSL-encrypted HTTP.
ldap	The resource is accessed through the LDAP protocol.
mailto	The resource is an email address and accessed through the SMTP protocol.
net.pipe	The resource is accessed through a named pipe.
net.tcp	The resource is accessed from TCP endpoint.
news	The resource is accessed through the NNTP protocol.
nntp	The resource is accessed through the NNTP protocol.
telnet	The resource is accessed through the TELNET protocol.
uuid	The resource is accessed through a unique UUID endpoint name for communicating with a service.