窗体控件随窗体大小改变（仍有不足）

  private void frmWatch_Load(object sender, EventArgs e)
        {
            FormWidth = this.Width;
            FormHeight = this.Height;
            SetTag(this);
        }
     /// <summary>
           /// 窗体控件自适应大小
           /// </summary>

        private float formWidth;
        private float formHeight;

        public float FormHeight
        {
            get { return formHeight; }
            set { formHeight = value; }
        }

        public float FormWidth
        {
            get { return formWidth; }
            set { formWidth = value; }
        }
        /// <summary>
        /// 设置Tag标签
        /// </summary>
        /// <param name="controls">控件</param>
        public void SetTag(Control controls)
        {
            foreach (Control control in controls.Controls)
            {
                control.Tag = control.Width + ":" + control.Height + ":" + control.Left + ":" + control.Top + ":" + control.Font.Size;
                if (control.Controls.Count > 0)
                {
                    SetTag(control);
                }
            }
        }
        /// <summary>
        /// 设置控件大小
        /// </summary>
        /// <param name="newX">X坐标</param>
        /// <param name="newY">Y坐标</param>
        /// <param name="controls">控件</param>
        /// <summary>
        private void SetControls(float newX, float newY, Control controls)
        {
            foreach (Control control in controls.Controls)
            {
                string[] myTag = control.Tag.ToString().Split(':');
                //控件的宽
                float length = Convert.ToSingle(myTag[0]) * newX;
                control.Width = (int)length;
                //控件的高
                length = Convert.ToSingle(myTag[1]) * newY;
                control.Height = (int)length;
                //控件的X坐标
                length = Convert.ToSingle(myTag[2]) * newX;
                control.Left = (int)length;
                //控件的Y坐标
                length = Convert.ToSingle(myTag[3]) * newY;
                control.Top = (int)length;

                Single currentSize = Convert.ToSingle(myTag[4])*newY;

                control.Font = new System.Drawing.Font(control.Font.Name, currentSize, control.Font.Style, control.Font.Unit);

                if (control.Controls.Count > 0)
                {
                    SetControls(newX,newY,control);
                }
            }
        }
        /// <summary>
        /// 调整控件的大小
        /// </summary>
        public void ControlResize(Control control)
        {
            float newX = control.Width / FormWidth;
            float newY = control.Height / FormHeight; ;
            SetControls(newX,newY,control);
        }

        private void frmWatch_Resize(object sender, EventArgs e)
        {
            ControlResize(this);
        }
        //form的属性AutoSize  默认为faule 不要设置成true