Question

如何在C#的WinForm中制作饼状图和柱状图

Answer 1

（1）设计时，在Form1上布置一个Chart控件，2个RadioButton

（2）窗体代码Form1.cs如下

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using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Drawing;
using System.Windows.Forms.DataVisualization.Charting;

namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void Form1_Load(object sender, EventArgs e)
{
chart1.Series[0].Points.AddXY(1, 10);
chart1.Series[0].Points.AddXY(2, 80);
chart1.Series[0].Points.AddXY(3, 55);
chart1.Series[0].Points.AddXY(4, 70);
chart1.Series[0].Points.AddXY(5, 92);
}

private void radioButton1_CheckedChanged(
object sender,
EventArgs e)
{
if (radioButton1.Checked)
{
chart1.Series[0].ChartType = SeriesChartType.Column;
}
else
{
chart1.Series[0].ChartType = SeriesChartType.Pie;
}
}
}
}

（3）运行