using System;
public class clsStrConv
{
 
    public void Main()
    {
 
 
        //****************************************************************************************
        // Example #1: 	StrConv(string1,conversion,LocalId) - returns string converted as specified
        // string1 - Required. String expression to be converted.
        // conversion - Required. VbStrConv member. The enumeration value specifying the type of 
        //   conversion to perform.
        // LocalId - Optional. The LocaleID value, if different from the system LocaleID value. 
        // (The system LocaleID value is the default.)
        // 
        // Enumeration(member)         Description()
        // VbStrConv.None()            Performs no conversion
        // VbStrConv.LinguisticCasing() Uses linguistic rules for casing, rather than File System 
        // (default). Valid with VbStrConv.UpperCase and VbStrConv.LowerCase only.
        // VbStrConv.Uppercase()       Converts the string to uppercase characters.
        // VbStrConv.Lowercase()       Converts the string to lowercase characters.
        // VbStrConv.ProperCase()      Converts the first letter of every word in string to uppercase.
        // VbStrConv.Wide*              Converts narrow (half-width) characters in the string to wide
        //  (full-width) characters.
        // VbStrConv.Narrow*            Converts wide (full-width) characters in the string to narrow 
        // (half-width) characters.
        // VbStrConv.Katakana**          Converts Hiragana characters in the string to Katakana characters.
        // VbStrConv.Hiragana**          Converts Katakana characters in the string to Hiragana characters.
        // VbStrConv.SimplifiedChinese* Converts Traditional Chinese characters to Simplified Chinese.
        // VbStrConv.TraditionalChinese* Converts Simplified Chinese characters to Traditional Chinese.
        // * - Chinese locales only
        // ** - Japanese locales only
        //****************************************************************************************
 
        Console.WriteLine("Example #1: 	StrConv(string1,conversion,LocalId) ");
 
        string strString1 = "Hello";
 
 
        // Return lowercase
        Console.WriteLine(Microsoft.VisualBasic.Strings.StrConv(strString1, Microsoft.VisualBasic.VbStrConv.Lowercase, 0)); //Returns hello
 
 
        //write blank line to make output easier to read
        Console.WriteLine();
 
 
 
        //Prevent console from closing before you press enter
        Console.ReadLine();
 
    }
 
 
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
nameStrConv CSharp_Syntax
{
    class Program
    {
        static void Main(string[] args)
        {
 
 
            clsStrConv myStrConv = new clsStrConv();
            myStrConv.Main();
 
        }
    }
}