C# 控件如何随窗体变大而变大

C# code

/// <summary>        /// 窗口改变后控件变化        /// </summary>                float x=0;        float y=0;        private void Frm_Resize(object sender, System.EventArgs e)        {            float  newx = (this.Width )/ x;            float newy = this.Height / y;            setConstrols(newx, newy, this);            }        private void setTag(Control cons)        {            foreach (Control con in cons.Controls )            {                con.Tag = con.Width +":" + con.Height + ":" + con.Left + ":" + con.Top + ":" + con.Font.Size;                if (con.Controls.Count > 0)                {                    setTag(con);                   }            }        }        private void setConstrols(float newx,float newy,Control  cons)        {            foreach (Control  con in cons .Controls )            {                string[] mytag = con.Tag.ToString().Split(new char[] { ':' });                float a = Convert.ToSingle(mytag[0]) * newx;                con.Width = (int)a;                a=Convert.ToSingle(mytag[1]) * newy;                con.Height = (int)(a);                a=Convert.ToSingle(mytag[2]) * newx;                con.Left = (int)(a);                a=Convert.ToSingle(mytag[3]) * newy;                con.Top = (int)(a);                Single currentSize = Convert.ToSingle (mytag[4]) * newy;                con .Font =new Font (con.Font .Name ,currentSize,con.Font .Style ,con.Font .Unit );                if(con.Controls .Count >0)                {                    setConstrols (newx ,newy ,con );                }            }        }        private void Frm_Load(object sender, System.EventArgs e)        {            x=this.Width ;            y=this.Height ;            setTag(this);            this.Resize +=new EventHandler(Frm_Resize);

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