将最小最大值添加到自定义控件范围栏

我用c#编写了一个自定义范围滑块。到目前为止，我有3个属性"最小，最大和值"。根据建议，我需要做以下工作:1. 调整Value属性以检查它是否保持在最小值和最大值之间。2.更改百分比变量的名称，因为它不再存储百分比。3.在任何地方使用浮点数或整型值，不要混合使用它们，因为可能会失去精度。4.创建一个方法，通过鼠标更新该值，并从事件处理程序调用该方法。

我不确定实现这些变化的最佳方式。我希望得到一些帮助。

namespace jmRangeSlider
{
    public partial class rangeSlider : UserControl
    {
        public rangeSlider()
        {
            InitializeComponent();
            label1.ForeColor = Color.Black;
            this.ForeColor = SystemColors.Highlight; // set the default color the RangeSlider
        }
        protected float percent = 0.0f; // Protected because we don't want this to be accessed from the outside
        // Create a Value property for the RangeSlider
        public float Value
        {
            get
            {
                return percent;
            }
            set
            {
                // Maintain the value between 0 and 100
                if (value < 0) value = 0;
                else if (value > 100) value = 100;
                percent = value;
                label1.Text = value.ToString();
                //redraw the RangeSlider every time the value changes
                this.Invalidate();
            }
        }
        int minValue = 0;
        public int MinValue
        {
            get
            {
                return this.minValue;
            }
            set
            {
                this.minValue = value;
            }
        }
        int maxValue = 100;
        public int MaxValue
        {
            get
            {
                return this.maxValue;
            }
            set
            {
                this.maxValue = value;
            }
        }
        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);
            Brush b = new SolidBrush(this.ForeColor); //create brush that will draw the background of the range bar
            // create a linear gradient that will be drawn over the background. FromArgb means you can use the Alpha value which is the transparency
            LinearGradientBrush lb = new LinearGradientBrush(new Rectangle(0, 0, this.Width, this.Height), Color.FromArgb(50, Color.White), Color.FromArgb(0, Color.White), LinearGradientMode.Vertical);
            // calculate how much has the RangeSlider to be filled for 'x' %
            int width = (int)((percent / 100) * this.Width);
            e.Graphics.FillRectangle(b, 0, 0, width, this.Height);
            e.Graphics.FillRectangle(lb, 0, 0, width, this.Height);
            b.Dispose(); lb.Dispose();
        }
        private void rangeSlider_SizeChanged(object sender, EventArgs e)
        {
            // maintain the label in the center of the RangeSlider
            label1.Location = new Point(this.Width / 2 - 21 / 2 - 4, this.Height / 2 - 15 / 2);
        }
        protected override void OnMouseClick(MouseEventArgs e)
        {
            int x = e.X;
            int y = e.Y;
            int val = (x * 100) / this.Width; //when click get value within progress bar
            int screenX = Cursor.Position.X;
            label1.Text = screenX.ToString();
            this.Value = val;
        }
        protected override void OnMouseMove(MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                //this.Value += 1;
                int x = e.X;
                int val = (x * 100) / this.Width; //when click get value within progress bar
                label1.Text = val.ToString();
                this.Value = val;
            }
        }
    }
}