/**********************************C#中代碼實(shí)現(xiàn)控件隨窗體的自由變換********************************************/ 


//    文章出處： 星魂工作室      作者：月云   

//                                                                 2008.8.4 

/**********************************************************************************************************/ 


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Collections; 

namespace WindowsApplication3
{
    public partial class Form1 : Form
    {
        /*******************設(shè)定程序中可能要用到的用以存儲初始數(shù)據(jù)的動態(tài)數(shù)組及相關(guān)私有變量******************************/ 

        private ArrayList InitialCrl = new ArrayList();//用以存儲窗體中所有的控件名稱
        private ArrayList CrlLocationX = new ArrayList();//用以存儲窗體中所有的控件原始位置
        private ArrayList CrlLocationY = new ArrayList();//用以存儲窗體中所有的控件原始位置
        private ArrayList CrlSizeWidth = new ArrayList();//用以存儲窗體中所有的控件原始的水平尺寸
        private ArrayList CrlSizeHeight = new ArrayList();//用以存儲窗體中所有的控件原始的垂直尺寸
        private int FormSizeWidth;//用以存儲窗體原始的水平尺寸
        private int FormSizeHeight;//用以存儲窗體原始的垂直尺寸
             
        private double FormSizeChangedX;//用以存儲相關(guān)父窗體/容器的水平變化量
        private double FormSizeChangedY;//用以存儲相關(guān)父窗體/容器的垂直變化量 

        private int Wcounter = 0;//為防止遞歸遍歷控件時產(chǎn)生混亂，故專門設(shè)定一個全局計數(shù)器
   
        /****************************************************************************************************************/ 


        public Form1()
        {
            InitializeComponent();
        } 

        private void Form1_Load(object sender, EventArgs e)
        {
            
            GetInitialFormSize();
            //this.AutoScroll = true;
            //this.SetAutoSizeMode(FormSizeWidth,FormSizeHeight);
            //this.AutoScrollMinSize.Width = FormSizeWidth;
            //this.AutoScrollMinSize.Height = FormSizeHeight;
            GetAllCrlLocation(this);
            GetAllCrlSize(this);
        }
        public void GetAllCrlLocation(Control CrlContainer)//獲得并存儲窗體中各控件的初始位置
        {
            foreach (Control iCrl in CrlContainer.Controls)
            { 

                if (iCrl.Controls.Count > 0)
                    GetAllCrlLocation(iCrl);               
                InitialCrl.Add(iCrl);
                CrlLocationX.Add(iCrl.Location.X);
                CrlLocationY.Add(iCrl.Location.Y);
               
               
            }
        } 

        public void GetAllCrlSize(Control CrlContainer)//獲得并存儲窗體中各控件的初始尺寸
        {
            foreach (Control iCrl in CrlContainer.Controls)
            {
                if (iCrl.Controls.Count > 0)
                    GetAllCrlSize(iCrl);
                CrlSizeWidth.Add(iCrl.Width);
                CrlSizeHeight.Add(iCrl.Height);
            } 
        } 

        public void GetInitialFormSize()//獲得并存儲窗體的初始尺寸
        {
            
            FormSizeWidth = this.Size.Width;
            FormSizeHeight = this.Size.Height;
        
        } 

        private void Form1_SizeChanged(object sender, EventArgs e)
        {
           // MessageBox.Show("窗體尺寸改變");
            Wcounter = 0;
            int counter = 0;
            if (this.Size.Width < FormSizeWidth || this.Size.Height < FormSizeHeight)
                //如果窗體的大小在改變過程中小于窗體尺寸的初始值，則窗體中的各個控件自動重置為初始尺寸，且窗體自動添加滾動條
            {
                
                foreach (Control iniCrl in InitialCrl)
                {
                    iniCrl.Width = (int)CrlSizeWidth[counter];
                    iniCrl.Height = (int)CrlSizeHeight[counter];
                    Point point = new Point();
                    point.X = (int)CrlLocationX[counter];
                    point.Y = (int)CrlLocationY[counter];
                    iniCrl.Bounds = new Rectangle(point, iniCrl.Size);
                    counter++;
                }
                this.AutoScroll = true;
            }
            else
                //否則，重新設(shè)定窗體中所有控件的大?。ù绑w內(nèi)所有控件的大小隨窗體大小的變化而變化）
            {
                this.AutoScroll = false;
                ResetAllCrlState(this);
            }
            
            
        } 

        public void ResetAllCrlState(Control CrlContainer)//重新設(shè)定窗體中各控件的狀態(tài)（在與原狀態(tài)的對比中計算而來）
        { 

           
            FormSizeChangedX = (double)this.Size.Width / (double)FormSizeWidth;
            FormSizeChangedY = (double)this.Size.Height / (double)FormSizeHeight;
            
            foreach (Control kCrl in CrlContainer.Controls)
            { 

                /*string name = kCrl.Name.ToString();
                MessageBox.Show(name);
                MessageBox.Show(Wcounter.ToString());*/ 

                if (kCrl.Controls.Count > 0)
                {
                    ResetAllCrlState(kCrl);
                   
                } 


                Point point = new Point();
                point.X = (int)((int)CrlLocationX[Wcounter] * FormSizeChangedX);
                point.Y = (int)((int)CrlLocationY[Wcounter] * FormSizeChangedY);
                kCrl.Width = (int)((int)CrlSizeWidth[Wcounter] * FormSizeChangedX);
                kCrl.Height = (int)((int)CrlSizeHeight[Wcounter] * FormSizeChangedY);
                kCrl.Bounds = new Rectangle(point, kCrl.Size);
                Wcounter++;
               // MessageBox.Show(Wcounter.ToString());
                
               
            }
        } 

        
    }
                
    
}