带下划线的LABEL控件

带下划线的LABEL控件

继承自Label,代码如下：

using System.Drawing.Drawing2D;
using System.Windows.Forms;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;

namespace CustomControlSample
{
    public class LineLabel:System.Windows.Forms.Label
    {
        private Color _lineColor;
        private float _lineThick;
        private float[] _DashPattern;
        private DashStyle _DashStyle;

        public LineLabel()
        {
            _lineColor = base.ForeColor;
            _lineThick = 1f;
            _DashStyle = DashStyle.Solid;
        }

        [Browsable(true)]
        public Color LineColor
        {
            get
            {
                return _lineColor;
            }
            set
            {
                _lineColor = value;
                Invalidate();
            }
        }

        [Browsable(true)]
        public float LineThick
        {
            get
            {
                return _lineThick;
            }
            set
            {
                _lineThick = value;
                Invalidate();
            }
        }

        [Browsable(true)]
        public float LinePenMode
        {
            get
            {
                return _lineThick;
            }
            set
            {
                _lineThick = value;
                Invalidate();
            }
        }

        [Browsable(true)]
        public float[] LineDashPattern
        {
            get
            {
                return _DashPattern;
            }
            set
            {
                _DashPattern = value;
                Invalidate();
            }
        }

        [Browsable(true)]
        public DashStyle LineDashStyle
        {
            get
            {
                return _DashStyle;
            }
            set
            {
                _DashStyle = value;
                Invalidate();
            }
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            base.OnPaint(e);
            //StringFormat style = new StringFormat();
            //e.Graphics.DrawString(
            //    base.Text,
            //    Font,
            //    new SolidBrush(base.ForeColor),
            //    ClientRectangle, style);

            Pen p = new Pen(LineColor, LineThick);
            p.DashStyle = LineDashStyle;
            if ((p.DashStyle == DashStyle.DashDot) || (p.DashStyle == DashStyle.DashDotDot))
                p.DashPattern = LineDashPattern;
            e.Graphics.DrawLine(p,2,this.Height-1, this.Width,this.Height-1);
        }