Changes the casing of a string based on the English (United States) culture, with the culture name en-US. : CultureInfo « I18N Internationlization « VB.Net Tutorial

Imports System
Imports System.Globalization

Public Class SamplesTextInfo

   Public Shared Sub Main()
      Dim myString As String = "this IS a test"

      ' Creates a TextInfo based on the "en-US" culture.
      Dim myTI As TextInfo = New CultureInfo("en-US", False).TextInfo

      ' Changes a string to lowercase.
      Console.WriteLine("""{0}"" to lowercase: {1}", myString, myTI.ToLower(myString))

      ' Changes a string to uppercase.
      Console.WriteLine("""{0}"" to uppercase: {1}", myString, myTI.ToUpper(myString))

      ' Changes a string to titlecase.
      Console.WriteLine("""{0}"" to titlecase: {1}", myString, myTI.ToTitleCase(myString))

   End Sub

End Class

18.1.CultureInfo
	18.1.1.	CultureInfo(de-DE)
	18.1.2.	Use all available culture type to format Date and currency
	18.1.3.	Creates a CompareInfo that uses the InvariantCulture.
	18.1.4.	Current week of the year is based on CultureInfo
	18.1.5.	Compare two substrings using different cultures and ignoring the case of the substrings
	18.1.6.	CultureInfo.CurrentCulture.DateTimeFormat.LongDatePattern
	18.1.7.	Specify a CultureInfo set to one of the cultures defined by that object
	18.1.8.	String representation of an object changes when it is formatted with three different IFormatProvider objects.
	18.1.9.	Changes the casing of a string based on the English (United States) culture, with the culture name en-US.