读写注册表来保存窗体当前设置

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using Microsoft.Win32;
namespace RegiestryManager
{
    /**//// <summary>
    /// Form2 的摘要说明。
    /// </summary>
    public class Form2 : System.Windows.Forms.Form
    {
        private System.Windows.Forms.Button button1;
        private System.Windows.Forms.ColorDialog chooseColorDialog;
        /**//// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.Container components = null;

        public Form2()
        {
            //
            // Windows 窗体设计器支持所必需的
            //
            InitializeComponent();

            //
            // TODO: 在 InitializeComponent 调用后添加任何构造函数代码
            //
            LoadFormPropertySet();
        }

        /**//// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if(components != null)
                {
                    components.Dispose();
                    
                }
            }
            base.Dispose( disposing );
        }

        Windows 窗体设计器生成的代码#region Windows 窗体设计器生成的代码
        /**//// <summary>
        /// 设计器支持所需的方法 - 不要使用代码编辑器修改
        /// 此方法的内容。
        /// </summary>
        private void InitializeComponent()
        {
            this.button1 = new System.Windows.Forms.Button();
            this.chooseColorDialog = new System.Windows.Forms.ColorDialog();
            this.SuspendLayout();
            // 
            // button1
            // 
            this.button1.Location = new System.Drawing.Point(352, 112);
            this.button1.Name = "button1";
            this.button1.TabIndex = 0;
            this.button1.Text = "button1";
            this.button1.Click += new System.EventHandler(this.button1_Click);
            // 
            // Form2
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
            this.ClientSize = new System.Drawing.Size(480, 326);
            this.Controls.Add(this.button1);
            this.Name = "Form2";
            this.Text = "Form2";
            this.Closing += new System.ComponentModel.CancelEventHandler(this.Form2_Closing);
            this.Load += new System.EventHandler(this.Form2_Load);
            this.ResumeLayout(false);

        }
        #endregion

        private void Form2_Load(object sender, System.EventArgs e)
        {
        
        }

        //在窗体启动时加载上次设置
        private bool LoadFormPropertySet()
        {
            try
            {
                if(ReadSettings(this.Text)==false)
                    return false;
                StartPosition=FormStartPosition.Manual;  //设定当前窗体的起始位置为原始起始位置

            }
            catch
            {
                return false;

            }
            return true;
        }

        /**/////在窗体关闭时保存本次设置
        private bool SaveFormPropertySet()
        {
            try
            {
                SaveSettings(this.Text );
            }
            catch
            {
                return false;
            }
            return true;
        }

        private  void SaveSettings(string FormName)
        {
            RegistryKey softwareKey=Registry.LocalMachine.OpenSubKey("Software",true);
            RegistryKey frjKey=softwareKey.CreateSubKey(FormName) ;
            RegistryKey selfPlacingWindowKey=frjKey.CreateSubKey("SelfPlacingWindow") ;
            selfPlacingWindowKey.SetValue("BackColor",(object)BackColor.ToKnownColor() ) ;
            selfPlacingWindowKey.SetValue("Red",(object)(int)BackColor.R ); 
            selfPlacingWindowKey.SetValue("Green",(object)(int)BackColor.G );
            selfPlacingWindowKey.SetValue("Blue",(object)(int)BackColor.B  );
            selfPlacingWindowKey.SetValue("Width",(object)Width);
            selfPlacingWindowKey.SetValue("Height",(object)Height);
            selfPlacingWindowKey.SetValue("X",(object)DesktopLocation.X );
            selfPlacingWindowKey.SetValue("Y",(object)DesktopLocation.Y);
            selfPlacingWindowKey.SetValue("WindowState",(object)WindowState.ToString() );
        }

        private bool ReadSettings(string FormName)
        {
        
            RegistryKey softwareKey=Registry.LocalMachine.OpenSubKey("Software",true);
            RegistryKey frjKey=softwareKey.OpenSubKey(FormName) ;
            if(frjKey==null)
                return false;
            RegistryKey selfPlacingWindowKey=frjKey.OpenSubKey ("SelfPlacingWindow") ;
            if(selfPlacingWindowKey==null)
                return false;
            int redComponent=(int)selfPlacingWindowKey.GetValue("Red") ;
            int greenComponent=(int)selfPlacingWindowKey.GetValue("Green") ;
            int blueComponent=(int)selfPlacingWindowKey.GetValue("Blue") ;
            this.BackColor =Color.FromArgb (redComponent,greenComponent,blueComponent);
            
            int X=(int)selfPlacingWindowKey.GetValue("X") ;
            int Y=(int)selfPlacingWindowKey.GetValue("Y") ;
            this.DesktopLocation=new Point(X,Y)  ;
            
            this.Height=(int)selfPlacingWindowKey.GetValue("Height") ;
            this.Width =(int)selfPlacingWindowKey.GetValue("Width") ;
            
            string initialWindowState=(string)selfPlacingWindowKey.GetValue("WindowState") ;
            
            this.WindowState =checked((FormWindowState)FormWindowState.Parse(WindowState.GetType(), initialWindowState));
            return true;
  
        }

        private void button1_Click(object sender, System.EventArgs e)
        {
            if(this.chooseColorDialog.ShowDialog()==DialogResult.OK  )
                BackColor=chooseColorDialog.Color;
        }

        private void Form2_Closing(object sender, System.ComponentModel.CancelEventArgs e)
        {
            SaveFormPropertySet();
        }
    }
}