C#比例算法？

Question

C#比例算法

Answer 1

private double xp;private double yp;public Form1(){InitializeComponent();}private void Form1_Load(object sender, EventArgs e){xp = (this.label1.Location.X - this.pictureBox1.Location.X) / Convert.ToDouble(this.pictureBox1.Size.Width);yp = (this.label1.Location.Y - this.pictureBox1.Location.Y) / Convert.ToDouble(this.pictureBox1.Size.Height);}private void pictureBox1_SizeChanged(object sender, EventArgs e){int x = Convert.ToInt32(this.pictureBox1.Size.Width * xp + this.pictureBox1.Location.X);int y = Convert.ToInt32(this.pictureBox1.Size.Height * yp + this.pictureBox1.Location.Y);this.label1.Location = new Point(x, y);}

Answer 2

都放到Panel1里然后用Scale方法Panel1.Scale(0.5F);