C# Winform 里做曲线图

legendlovehao 2011-06-20 10:06:40

RT:
一个功能类似于网上股市走势是要能把图画出来在页面上展示出来点击上面线上每一个点都会有这个数据说明无论用控件还是代码实现都行求思路和资料！（PS：Winform新手上路、不知道描述详细不）

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legendlovehao 2011-06-21

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[Quote=引用 17 楼 chuzhaowei 的回复:]

做成web方式的，然后用WebBrower嵌到你的winform中

web方式的图标效果好，容易实现，www.highcharts.com 这里就有一个纯js的图表控件。
[/Quote]
非常感谢这位朋友给的这个思路建议我需要的就是这个效果这个做Web的时候收藏了

开发者孙小聪 2011-06-21

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就是画图嘛在鼠标移动这个事件里边。。。。。。。。

xpcxpy 2011-06-20

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[Quote=引用 5 楼 isjoe 的回复:]
图表控件是优选，不是mschart可以吗
[/Quote]百度一下mschart

legendlovehao 2011-06-20

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说的不一定很清晰诸位见谅组件是在不熟悉不知道怎么去控制所以我就找了些直接用代码写的我意思在页面上能控制那些点不是指我需要操作它只要我点击线上的一个点显示这个点的信息（比方：X，Y坐标值即可）说起来很简单请大家不吝赐教 ~

legendlovehao 2011-06-20

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    public ArrayList arrData = new ArrayList();

        public ArrayList arrMonth = new ArrayList();

        private void QuXianTu_Load(object sender, EventArgs e)

        {

            arrMonth.Add(1);

            arrMonth.Add(2);

            arrMonth.Add(3);

            arrMonth.Add(4);

            arrMonth.Add(5);

            arrMonth.Add(6);

            arrData.Add(800);

            arrData.Add(1000);

            arrData.Add(850);

            arrData.Add(900);

            arrData.Add(750);

            arrData.Add(1500);

        }



        private void button1_Click(object sender, EventArgs e)

        {

            int iCanvasWidth = 1024;

            int iCanvasHeight = 768;

            Bitmap bitmap = new Bitmap(iCanvasWidth, iCanvasHeight, PixelFormat.Format24bppRgb);

            Graphics graph = Graphics.FromImage(bitmap);

            graph.Clear(Color.White);



            Font font = new Font("MS UI Gothic", 12);

            SolidBrush brush = new SolidBrush(Color.Black);

            Pen pen = new Pen(Color.Black);

            pen.EndCap = LineCap.ArrowAnchor;

            pen.DashStyle = DashStyle.Solid;



            #region 座標軸描画

            graph.DrawLine(pen, 200, 600, 650, 600);

            graph.DrawLine(pen, 200, 600, 200, 150);

            //X軸

            graph.DrawLine(Pens.Black, 200 + 90 * 1, 600, 200 + 90 * 1, 600 - 5);

            graph.DrawLine(Pens.Black, 200 + 90 * 2, 600, 200 + 90 * 2, 600 - 5);

            graph.DrawLine(Pens.Black, 200 + 90 * 3, 600, 200 + 90 * 3, 600 - 5);

            graph.DrawLine(Pens.Black, 200 + 90 * 4, 600, 200 + 90 * 4, 600 - 5);

            graph.DrawLine(Pens.Black, 245 + 90 * 0, 600, 245 + 90 * 0, 600 - 2);

            graph.DrawLine(Pens.Black, 245 + 90 * 1, 600, 245 + 90 * 1, 600 - 2);

            graph.DrawLine(Pens.Black, 245 + 90 * 2, 600, 245 + 90 * 2, 600 - 2);

            graph.DrawLine(Pens.Black, 245 + 90 * 3, 600, 245 + 90 * 3, 600 - 2);

            graph.DrawLine(Pens.Black, 245 + 90 * 4, 600, 245 + 90 * 4, 600 - 2);

            //Y軸

            graph.DrawLine(Pens.Black, 200, 150 + 90 * 1, 200 + 5, 150 + 90 * 1);

            graph.DrawLine(Pens.Black, 200, 150 + 90 * 2, 200 + 5, 150 + 90 * 2);

            graph.DrawLine(Pens.Black, 200, 150 + 90 * 3, 200 + 5, 150 + 90 * 3);

            graph.DrawLine(Pens.Black, 200, 150 + 90 * 4, 200 + 5, 150 + 90 * 4);

            graph.DrawLine(Pens.Black, 200, 195 + 90 * 0, 200 + 2, 195 + 90 * 0);

            graph.DrawLine(Pens.Black, 200, 195 + 90 * 1, 200 + 2, 195 + 90 * 1);

            graph.DrawLine(Pens.Black, 200, 195 + 90 * 2, 200 + 2, 195 + 90 * 2);

            graph.DrawLine(Pens.Black, 200, 195 + 90 * 3, 200 + 2, 195 + 90 * 3);

            graph.DrawLine(Pens.Black, 200, 195 + 90 * 4, 200 + 2, 195 + 90 * 4);

            #endregion



            #region 目盛文字,見出し部,マーク文字 描画

            double dblY1 = 600;

            double dblX1 = 200;

            for (int i = 0; i < arrData.Count; i++)

            {

                double dblData = Convert.ToDouble(arrData[i]);

                double dblY2 = 600 - dblData / 2000 * 450;

                double dblX2 = Convert.ToDouble(arrMonth[i]) / 10 * 450 + 200;

                graph.DrawLine(Pens.Black, float.Parse(dblX1.ToString()), float.Parse(dblY1.ToString()), float.Parse(dblX2.ToString()), float.Parse(dblY2.ToString()));

                dblY1 = dblY2;

                dblX1 = dblX2;

            }

            for (int i = 0; i < 10; i++)

            {

                int intX = 450 / 10 * i + 200;

                int intY = 600 - 450 / 10 * i;

                Point ptx = new Point(intX, 620);

                Point pty = new Point(150, intY);

                graph.DrawString(Convert.ToString(i * 200), font, brush, pty);

                graph.DrawString(i.ToString() + "月", font, brush, ptx);

            }

            #endregion



            string strFilePath = @"E:\jackey_gif.gif";

            bitmap.Save(strFilePath, ImageFormat.Gif);



            font.Dispose();

            brush.Dispose();

            graph.Dispose();

            bitmap.Dispose();