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 LineX : UserControl
    {
        public LineX()
        {
            InitializeComponent();
            this.Name = "LineX";
            this.lineWidth = 5;
            this.lineColor = Color.Green;
            this.SetStyle(ControlStyles.SupportsTransparentBackColor | ControlStyles.Opaque, true);
            this.BackColor = Color.Transparent;
            this.Paint += new PaintEventHandler(LineX_Paint);
            this.Resize += new EventHandler(LineX_Resize);
        }


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

        #region 定义属性
        private Color lineColor;
        /// <summary>
        /// 定义线的颜色
        /// </summary>
        public Color LineColor
        {
            set
            {
                this.lineColor = value;
                System.Windows.Forms.PaintEventArgs ep = new PaintEventArgs(this.CreateGraphics(), this.ClientRectangle);
                this.LineX_Paint(this, ep);
            }
            get
            {
                return this.lineColor;
            }
        }

        private int lineWidth;

        /// <summary>
        /// 定义线的粗细
        /// </summary>
        public int LineWidth
        {
            set
            {
                this.lineWidth = value;
                System.Windows.Forms.PaintEventArgs ep = new PaintEventArgs(this.CreateGraphics(), this.ClientRectangle);
                this.LineX_Paint(this, ep);
            }
            get
            {
                return this.lineWidth;
            }
        }

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

        #endregion

        /// <summary>
        /// 控件调整大小时发生的事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void LineX_Resize(object sender, System.EventArgs e)
        {
            this.Height = (this.LineWidth * 2);
        }

        /// <summary>
        /// 控件重绘时发生的事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void LineX_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();
            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, 0, (this.LineWidth), e.ClipRectangle.Right, (this.LineWidth));

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