根据电脑屏幕分辨率调整控件至最大化

public class MainForm

{
        public float wX = Screen.PrimaryScreen.Bounds.Width;
        public float hY = Screen.PrimaryScreen.Bounds.Height;
        public MainForm()
        {
            InitializeComponent();
            //switch screen
            float newx = wX / this.Width;
            float newy = hY / this.Height;
            setTag(this);
            setControls(newx, newy, this);

        }
        private void setTag(Control cons)
        {
            foreach (Control con in cons.Controls)
            {
                con.Tag = con.Width + ":" + con.Height + ":" + con.Left + ":" + con.Top;
                if (con.Controls.Count > 0)
                {
                    setTag(con);
                }
            }
        }
        private void setControls(float newx, float newy, Control cons)
        {
            foreach (Control con in cons.Controls)
            {
                string[] myTag = new string[5];
                // MessageBox.Show(con.Tag.ToString());
                myTag = con.Tag.ToString().Split(':');
                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)
                {
                    setControls(newx, newy, con);
                }
            }
        }

}