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

namespace WMS.Ctrl
{
    public partial class LineY : UserControl
    {
        public LineY()
        {
            InitializeComponent();
            this.lineColor = Color.Green;
            this.lineWidth = 5;
            this.Name = "LineY";
            this.SetStyle(ControlStyles.SupportsTransparentBackColor | ControlStyles.Opaque, true);
            this.BackColor = Color.Transparent;
            this.Resize += new System.EventHandler(this.LineY_Resize);
            this.Paint += new System.Windows.Forms.PaintEventHandler(this.LineY_Paint);
        }

        protected override CreateParams CreateParams
        {
            get
            {
                CreateParams cp = base.CreateParams;
                cp.ExStyle = 0x20;
                return cp;
            }
        }

        #region 属性定义
        private System.Drawing.Color lineColor;
        private int lineWidth;
        ///   
        /// 线的颜色属性  
        ///   
        public System.Drawing.Color LineColor
        {
            set
            {
                this.lineColor = value;
                System.Windows.Forms.PaintEventArgs ep =
                new PaintEventArgs(this.CreateGraphics(),
                this.ClientRectangle);
                this.LineY_Paint(this, ep);
            }
            get { return this.lineColor; }
        }
        ///   
        /// 线的粗细  
        ///   
        public int LineWidth
        {
            set
            {
                this.lineWidth = value;
                System.Windows.Forms.PaintEventArgs ep =
                new PaintEventArgs(this.CreateGraphics(),
                this.ClientRectangle);
                this.LineY_Paint(this, ep);
            }
            get { return this.lineWidth; }
        }
        #endregion

        private int lStartCap;
        public int LStartCap
        {
            set
            {
                this.lStartCap = value;
                System.Windows.Forms.PaintEventArgs ep = new PaintEventArgs(this.CreateGraphics(), this.ClientRectangle);
                this.LineY_Paint(this, ep);
            }
            get
            {
                return this.lStartCap;
            }
        }

        private int lEndCap;
        public int LEndCap
        {
            set
            {
                this.lEndCap = value;
                System.Windows.Forms.PaintEventArgs ep = new PaintEventArgs(this.CreateGraphics(), this.ClientRectangle);
                this.LineY_Paint(this, ep);
            }
            get
            {
                return this.lEndCap;
            }
        }

        private void LineY_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
        {
            Pen p = new Pen(this.LineColor, this.LineWidth);//设置笔的粗细为,颜色为蓝色
            Graphics g = this.CreateGraphics();
            //p.EndCap = LineCap.ArrowAnchor;//定义线尾的样式为箭头
            if (LEndCap == 1)
            {
                p.EndCap = LineCap.ArrowAnchor;//定义线尾的样式为箭头
            }
            else
            {
                p.EndCap = LineCap.NoAnchor;
                //p.DashStyle = DashStyle.Solid;//恢复实线
            }

            if (LStartCap == 1)
            {
                p.StartCap = LineCap.ArrowAnchor;//定义线尾的样式为箭头
            }
            else
            {
                p.StartCap = LineCap.NoAnchor;
                //p.DashStyle = DashStyle.Solid;//恢复实线
            }

            g.DrawLine(p, (this.LineWidth), 0, (this.LineWidth), e.ClipRectangle.Bottom);

            this.Width = (this.LineWidth * 2);
            g.Dispose();
            p.Dispose();

            //Graphics g = e.Graphics;
            //Pen myPen = new Pen(this.lineColor);
            //myPen.Width = this.lineWidth * 2;
            //this.Width = this.LineWidth;
            //g.DrawLine(myPen, 0, 0, 0, e.ClipRectangle.Bottom);
        }

        private void LineY_Resize(object sender, System.EventArgs e)
        {
            this.Width = (this.LineWidth * 2);
        }  
    }
}