using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.Win32;

namespace Aitex.UI.Charting.ViewModel
{
    /// <summary>
    /// 注册表工具
    /// </summary>
    public class RegEdit
    {
        /// <summary>
        /// 注册表读取
        /// </summary>
        /// <param name="appName"></param>
        /// <param name="keyName"></param>
        /// <param name="keyValue"></param>
        /// <returns></returns>
        public static string ReadRegedit(string appName, string keyName)
        {
            if (string.IsNullOrEmpty(appName) || string.IsNullOrEmpty(keyName))
                return string.Empty;
            string ret = string.Empty;
            RegistryKey hklm = Registry.CurrentUser;
            RegistryKey software = hklm.OpenSubKey("Software", false);
            RegistryKey aimdir = software.OpenSubKey(appName);
            if (aimdir != null)
            {
                ret = Convert.ToString(aimdir.GetValue(keyName));
                aimdir.Close();
            }
            software.Close();
            hklm.Close();
            return ret;
        }

        /// <summary>
        /// 注册表修改
        /// </summary>
        /// <param name="appName"></param>
        /// <param name="keyName"></param>
        /// <param name="keyValue"></param>
        /// <returns></returns>
        public static bool WriteRegedit(string appName, string keyName, string keyValue)
        {
            if (string.IsNullOrEmpty(appName) || string.IsNullOrEmpty(keyName))
                return false;
            RegistryKey hklm = Registry.CurrentUser;
            RegistryKey software = hklm.OpenSubKey("Software", true);
            RegistryKey aimdir = software.CreateSubKey(appName);
            aimdir.SetValue(keyName, keyValue);
            aimdir.Close();
            software.Close();
            hklm.Close();
            return true;
        }
    }
}