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String Compare with case sensitive and insensitive

Class Tester      Shared Sub Main( )          Dim s1 As [String] = "abcd"          Dim s2 As [String] = "ABCD"          Dim result As Integer           result = [String].Compare(s1, s2)          Console.WriteLine("compare s1: {0}, s2: {1}, result: {2}" _            & Environment.NewLine, s1, s2, result)          result = [String].Compare(s1, s2, True)          Console.WriteLine("Compare insensitive. result: {0}" _             & Environment.NewLine, result)      End Sub  End Class compare s1: abcd, s2: ABCD, result: -1 Compare insensitive. result: 0