Read value from registry : Registry : Windows C# Source Code

    


  using System;

  using System.Drawing;
  using System.Collections;
  using System.Windows.Forms;
  using System.Resources;
  using Microsoft.Win32;

  // For event log.
  using System.Diagnostics;
  class Test
  {
    static void Main(string[] args)
    {
      // Save user prefs to reg.
      RegistryKey regKey = Registry.CurrentUser;
      regKey = regKey.CreateSubKey("Software\\Intertech\\YourKeyRes");
      regKey.SetValue("CurrSize", "29");
      regKey.SetValue("CurrColor", "Red");
      Console.WriteLine("Settings saved in registry");

      RegistryKey regKey1 = Registry.CurrentUser;
      regKey1 = regKey1.CreateSubKey("Software\\Intertech\\YourKeyRes");
      Console.WriteLine(regKey1.GetValue("CurrSize", "30"));
      Console.WriteLine(regKey1.GetValue("CurrColor", "Blue"));

    }
  }