WeChatDoubleOpen/WechatDoubleOpen/ReadWeChatPathClass.cs

using Microsoft.Win32;
using System;
using System.Security.AccessControl;

public static class ReadWeChatPathClass
{
    /// <summary>
    /// 读取微信路径
    /// </summary>
    /// <returns></returns>
    public static string ReadWeChatPath()
    {
        // 定义要读取的注册表路径
        string registryPath = @"SOFTWARE\Tencent\WeChat";
        string result = "";
        // 打开注册表项
        using (RegistryKey key = Registry.CurrentUser.OpenSubKey(registryPath,
                                 RegistryKeyPermissionCheck.ReadWriteSubTree, System.Security.AccessControl.RegistryRights.FullControl))
        { 
            if (key != null)
            {
                // 读取指定的键值
                object value = key.GetValue("InstallPath");

                if (value != null)
                {
                    result = value.ToString();
                }
            }
        }
        return result + "\\WeChat.exe";
    }
}