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Uri.IsUnc Property

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

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

public bool IsUnc { get; }

Property Value

Type: System.Boolean

A Boolean value that is true if the Uri is a UNC path; otherwise, false.

Exception Condition
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");

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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