从上次关闭窗口的位置启动窗口

      
        public
      
      
        partial
      
      
        class
      
      
         Frm_Main : Form

    {

        
      
      
        public
      
      
         Frm_Main()

        {

            InitializeComponent();

        }



        
      
      
        private
      
      
        void
      
       Frm_Main_Load(
      
        object
      
      
         sender, EventArgs e)

        {

            RegistryKey myReg1, myReg2;
      
      
        //
      
      
        声明注册表对象
      
      

            myReg1 = Registry.CurrentUser;
      
        //
      
      
        获取当前用户注册表项
      
      
        try
      
      
        

            {

                myReg2 
      
      = myReg1.CreateSubKey(
      
        "
      
      
        Software\\MySoft
      
      
        "
      
      );
      
        //
      
      
        在注册表项中创建子项
      
      
        this
      
      .Location = 
      
        new
      
       Point(Convert.ToInt16(myReg2.GetValue(
      
        "
      
      
        1
      
      
        "
      
      )), Convert.ToInt16(myReg2.GetValue(
      
        "
      
      
        2
      
      
        "
      
      )));
      
        //
      
      
        设置窗体的显示位置
      
      
                    }

            
      
      
        catch
      
      
         { }

        }



        
      
      
        private
      
      
        void
      
       Frm_Main_FormClosed(
      
        object
      
      
         sender, FormClosedEventArgs e)

        {

            RegistryKey myReg1, myReg2;
      
      
        //
      
      
        声明注册表对象
      
      

            myReg1 = Registry.CurrentUser;
      
        //
      
      
        获取当前用户注册表项
      
      

            myReg2 = myReg1.CreateSubKey(
      
        "
      
      
        Software\\MySoft
      
      
        "
      
      );
      
        //
      
      
        在注册表项中创建子项
      
      
        try
      
      
        

            {

                myReg2.SetValue(
      
      
        "
      
      
        1
      
      
        "
      
      , 
      
        this
      
      .Location.X.ToString());
      
        //
      
      
        将窗体关闭位置的x坐标写入注册表
      
      

                myReg2.SetValue(
      
        "
      
      
        2
      
      
        "
      
      , 
      
        this
      
      .Location.Y.ToString());
      
        //
      
      
        将窗体关闭位置的y坐标写入注册表
      
      
                    }

            
      
      
        catch
      
      
         { }

        }

    }