（没有解决的问题：出现了：索引超出范围。必须为非负值并小于集合大小。——估计是逻辑问题）

    public partial class Form2 : Form
    {
    private ArrayList InitialCrl = new ArrayList();//用以存储窗体中所有的控件名称
    private ArrayList CrlLocationX = new ArrayList();//用以存储窗体中所有的控件原始位置
    private ArrayList CrlLocationY = new ArrayList();//用以存储窗体中所有的控件原始位置
    private ArrayList CrlSizeWidth = new ArrayList();//用以存储窗体中所有的控件原始的水平尺寸
    private ArrayList CrlSizeHeight = new ArrayList();//用以存储窗体中所有的控件原始的垂直尺寸
    private int FormSizeWidth;//用以存储窗体原始的水平尺寸
    private int FormSizeHeight;//用以存储窗体原始的垂直尺寸
    private double FormSizeChangedX;//用以存储相关父窗体/容器的水平变化量
    private double FormSizeChangedY;//用以存储相关父窗体/容器的垂直变化量
    private int Wcounter = 0;//为防止递归遍历控件时产生混乱，故专门设定一个全局计数器
    public Form2()
    {
    InitializeComponent();
    }

    private void Form2_Paint(object sender, PaintEventArgs e)
    {
    Graphics g = this.pictureBox1.CreateGraphics();//创建画板

    }

    private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
    {
    Point screenPoint =pictureBox1 .PointToClient( Control.MousePosition);//鼠标相对于屏幕左上角的坐标
    MousePosition.Text = screenPoint.ToString();
    }

    private void Form2_Load(object sender, EventArgs e)
    {
    GetInitialFormSize();
    GetAllCrlLocation(this);
    GetAllCrlSize(this);
    }
    public void GetAllCrlLocation(Control CrlContainer)//获得并存储窗体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)//获得并存储窗体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()//获得并存储窗体的初始尺寸
    {
    FormSizeWidth = this.Size.Width;
    FormSizeHeight = this.Size.Height;
    }
    private void Form2_SizeChanged(object sender, EventArgs e)
    {
    Wcounter = 0;
    int counter = 0;
    if (this.Size.Width < FormSizeWidth || this.Size.Height < FormSizeHeight)
    //如果窗体的大小在改变的过程中小于窗体尺寸的初始值，则窗体中的各个控件自动重置为初始尺寸，且窗体自动添加滚动条
    {
    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//否则，重新设定窗体中所有控件的大小（窗体内所有控件的大小随窗体大小的变化而变化）
    {
    this.AutoScroll = false;
    ResetAllCrlState(this);
    }
    }
    public void ResetAllCrlState(Control CrlContainer)//重新设定窗体中各控件的状态（在与原状态的对比中计算而来）
    {
    FormSizeChangedX = (double)this.Size.Width / (double)FormSizeWidth;
    FormSizeChangedY = (double)this.Size.Height / (double)FormSizeHeight;
    foreach (Control kCrl in CrlContainer.Controls)
    {
    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++;
    }
    }
    }
    ———————————这些代码写在Form2里，而Form1里button_click事件里写实例化form2并且showDialog，估计有问题

    界面图：
    Form1实现textbox信息读取
    image.png
    Form2实现读取的信息画在图布上
    image.png