解决使用C#打开第三方应用后进程关联问题

        /// 

        /// 打开文件选择框获取路径
        /// eg:
        /// Cef.OpenApplication("**.exe");
        /// 
        /// 
        public void OpenApplication(string appName)
        {

            string dirpath = Application.StartupPath;
            if (!File.Exists(dirpath+"\\"+appName))
            {
                MessageBox.Show("启动失败,文件不存在");
                return;
            }
            
            //System.Diagnostics.Process.Start(dirpath + "\\" + appName);
            ShellExecute(IntPtr.Zero, new StringBuilder("Open"), 
                new StringBuilder(appName), new StringBuilder(""), new StringBuilder(dirpath), 1);
        }

        /// 

        /// 打开第三方应用
        /// 示例 :
        /// ShellExecute(IntPtr.Zero, new StringBuilder("Open"), new StringBuilder("test.exe"), new StringBuilder(""), new StringBuilder(@"C:\文件夹名"), 1);
        /// 
        /// 
        /// 
        /// 
        /// 
        /// 
        /// 
        /// 
        [DllImport("shell32.dll")]
        public static extern int ShellExecute(IntPtr hwnd, StringBuilder lpszOp, StringBuilder lpszFile, StringBuilder lpszParams, StringBuilder lpszDir, int FsShowCmd);

/// 

        /// 打开文件选择框获取路径
        /// eg:
        /// Cef.OpenApplication("**.exe");
        /// 
        /// 
        public void OpenApplication(string appName)
        {

            string dirpath = Application.StartupPath;
            if (!File.Exists(dirpath+"\\"+appName))
            {
                MessageBox.Show("启动失败,文件不存在");
                return;
            }

            System.Diagnostics.Process.Start("Explorer.exe", dirpath + "\\" + appName);
//ShellExecute(IntPtr.Zero, new StringBuilder("Open"), 
            //    new StringBuilder("Explorer"), new StringBuilder(dirpath + "\\" + appName), new StringBuilder(""), 1);//好使,会多打开多一个explorer.exe

            //System.Diagnostics.Process.Start(dirpath + "\\" + appName);
            //ShellExecute(IntPtr.Zero, new StringBuilder("Open"), 
            //    new StringBuilder(appName), new StringBuilder(""), new StringBuilder(dirpath), 1);
        }