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Uri.IsUnc Property

Gets a Boolean value indicating whether the specified Uri is a universal naming convention (UNC) path.

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

public bool IsUnc { get; }
/** @property */
public boolean get_IsUnc ()

public function get IsUnc () : boolean

Property Value

true if the Uri is a UNC path; otherwise, false.

Exception typeCondition

InvalidOperationException

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

The IsUnc property is true if the specified Uri instance is a UNC path (such as \\server\folder or file://server/folder). This property always returns true if the URI has the file:// scheme and specifies a host component.

The following example creates a Uri instance and determines whether it is a UNC path.

Uri uriAddress2 =  new Uri("file://server/filename.ext");
Console.WriteLine(uriAddress2.LocalPath);
Console.WriteLine("Uri {0} a UNC path", uriAddress2.IsUnc ? "is" : "is not");
Console.WriteLine("Uri {0} a local host", uriAddress2.IsLoopback ? "is" : "is not");
Console.WriteLine("Uri {0} a file", uriAddress2.IsFile ? "is" : "is not");

Windows 98, Windows 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 .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

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