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Uri.MakeRelative Method

Note: This API is now obsolete.

Determines the difference between two Uri instances.

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

[ObsoleteAttribute("The method has been deprecated. Please use MakeRelativeUri(Uri uri). http://go.microsoft.com/fwlink/?linkid=14202")]
public string MakeRelative(
	Uri toUri
)

Parameters

toUri
Type: System.Uri

The URI to compare to the current URI.

Return Value

Type: System.String
If the hostname and scheme of this URI instance and toUri are the same, then this method returns a String that represents a relative URI that, when appended to the current URI instance, yields the toUri parameter.
If the hostname or scheme is different, then this method returns a String that represents the toUri parameter.

ExceptionCondition
ArgumentNullException

toUri is null.

InvalidOperationException

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

The following table shows the URI instance, toUri, and the results of calling MakeRelative.

Current URI instance

toUri

Return value

http://www.contoso.com/

http://www.contoso.com/test/test.htm

test/test.htm

http://www.contoso.com/test1/

http://www.contoso.com/

../

http://www.contoso.com:8000/

http://www.contoso.com/test/test.htm

http://www.contoso.com/test/test.htm

http://username@www.contoso.com/

http://www.contoso.com/test1/test1.txt

test1/test1.txt

User information, if present in the URI, is ignored.

The following example creates 2 Uri instances. The difference in the path information is written to the console.

// Create a base Uri.
Uri address1 = new Uri("http://www.contoso.com/");

// Create a new Uri from a string.
Uri address2 = new Uri("http://www.contoso.com/index.htm?date=today"); 

// Determine the relative Uri.  
Console.WriteLine("The difference is {0}", address1.MakeRelativeUri(address2));

.NET Framework

Supported in: 1.1, 1.0
Obsolete (compiler warning) in 4.5.2
Obsolete (compiler warning) in 4.5.1
Obsolete (compiler warning) in 4.5
Obsolete (compiler warning) in 4
Obsolete (compiler warning) in 3.5
Obsolete (compiler warning) in 3.5 SP1
Obsolete (compiler warning) in 3.0
Obsolete (compiler warning) in 3.0 SP1
Obsolete (compiler warning) in 3.0 SP2
Obsolete (compiler warning) in 2.0
Obsolete (compiler warning) in 2.0 SP1
Obsolete (compiler warning) in 2.0 SP2

.NET Framework Client Profile

Obsolete (compiler warning) in 4
Obsolete (compiler warning) in 3.5 SP1

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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