制作一个图形饼图在C＃ [英] Making A Graphic Pie Chart In C#

问题描述

我试图写一个Windows应用程序，显示有七个不等切片（25％，20％，18％，17％，10％，10％，10％），所有的人都饼图将不同颜色

I'm trying to write a Windows Application that shows a pie chart with seven unequal slices (25%, 20%, 18%, 17%, 10%, 10%, 10%) all of them will be colored differently.

到目前为止，我已经做画笔和画刷附加和画出的圆圈的颜色。

So far I have made Pens and Brushes with colors attached and drawn a circle.

这是什么我至今

private void Form1_Paint(object sender, PaintEventArgs e)
    {
        this.BackColor = Color.White;
        this.Text = "Pie Chart";
        this.Width = 350;
        this.Height = 350;

        Pen black = new Pen(Color.Black);
        Pen blue = new Pen(Color.Blue);
        Pen green = new Pen(Color.Green);
        Pen red = new Pen(Color.Red);
        Pen orange = new Pen(Color.Orange);
        Pen pink = new Pen(Color.Pink);
        Pen purple = new Pen(Color.Purple);
        Pen magenta = new Pen(Color.Purple);
        Brush brBlue = blue.Brush;
        Brush brGreen = green.Brush;
        Brush brRed = red.Brush;
        Brush brOrange = orange.Brush;
        Brush brPink = pink.Brush;
        Brush brPurple = purple.Brush;
        Brush brMagenta = magenta.Brush;
        Graphics g = e.Graphics;

        g.DrawEllipse(black, 20, 10, 300, 300);

    }

我给你的问题​​。什么是绘制饼图楔形的最简单的方法是什么？

My question to you is. What would be the easiest way to draw the wedges of the pie?

推荐答案

我会建议你看一看<强> ZedGraph

I will advise you to take a look at ZedGraph.

如果你想要一个示例代码的饼图使用GDI实际绘制你可以检查此 教程。 。它采用 FillPie Graphics类的方法。

If you want a sample code to actually draw pieChart using GDI you can check this tutorial.. It uses FillPie Method of Graphics class.

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