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Delete a setting in Registry

using System; using System.Collections.Generic; using System.Text; using Microsoft.Win32; public class MainClass{     static void Main(string[] args){         string strKey;         string strSetting;         string strAns;         Console.WriteLine("Enter the key");         strKey = Console.ReadLine();         RegistryKey TestProject = Registry.CurrentUser.OpenSubKey(strKey, true);         Console.WriteLine("Enter the setting");         strSetting = Console.ReadLine();         Console.WriteLine("Do you really mean to delete: " + strKey + "\\" + strSetting + "?");         strAns = Console.ReadLine();         strAns = strAns.ToUpper();         if (strAns == "Y" | strAns == "YES")         {              TestProject.DeleteValue(strSetting);              Console.WriteLine("Key setting " + strKey + "\\" + strSetting + " deleted");         }         else         {              Console.WriteLine("No deletion performed; key closed");              TestProject.Close();         }     } }