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RegionInfo.ThreeLetterISORegionName Property

Gets the three-letter code defined in ISO 3166 for the country/region.

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

'Declaration
Public Overridable ReadOnly Property ThreeLetterISORegionName As String

Property Value

Type: System.String
The three-letter code defined in ISO 3166 for the country/region.

The ThreeLetterISORegionName property contains the three-letter code defined in ISO 3166 for this country/region. For example, the three-letter code for United States is "USA".

Case is not significant. However, the Name, the TwoLetterISORegionName, and the ThreeLetterISORegionName properties return the appropriate code in uppercase.

The following code example displays the properties of the RegionInfo class.

Imports System
Imports System.Globalization


Public Class SamplesRegionInfo   

   Public Shared Sub Main()

      ' Displays the property values of the RegionInfo for "US". 
      Dim myRI1 As New RegionInfo("US")
      Console.WriteLine("   Name:                         {0}", myRI1.Name)
      Console.WriteLine("   DisplayName:                  {0}", myRI1.DisplayName)
      Console.WriteLine("   EnglishName:                  {0}", myRI1.EnglishName)
      Console.WriteLine("   IsMetric:                     {0}", myRI1.IsMetric)
      Console.WriteLine("   ThreeLetterISORegionName:     {0}", myRI1.ThreeLetterISORegionName)
      Console.WriteLine("   ThreeLetterWindowsRegionName: {0}", myRI1.ThreeLetterWindowsRegionName)
      Console.WriteLine("   TwoLetterISORegionName:       {0}", myRI1.TwoLetterISORegionName)
      Console.WriteLine("   CurrencySymbol:               {0}", myRI1.CurrencySymbol)
      Console.WriteLine("   ISOCurrencySymbol:            {0}", myRI1.ISOCurrencySymbol)

   End Sub 'Main 

End Class 'SamplesRegionInfo


'This code produces the following output. 



'   Name:                         US 

'   DisplayName:                  United States 

'   EnglishName:                  United States 

'   IsMetric:                     False 

'   ThreeLetterISORegionName:     USA 

'   ThreeLetterWindowsRegionName: USA 

'   TwoLetterISORegionName:       US 

'   CurrencySymbol:               $ 

'   ISOCurrencySymbol:            USD

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 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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