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   源码介绍

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【效果图】

 

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

using System.Drawing.PieChart;

namespace Test
{
    public partial class Form2 : System.Windows.Forms.Form	
    {
        public Form2()
        {
            InitializeComponent();
        }

        private void Form2_Load(object sender, EventArgs e)
        {
            aa();
        }
        private void aa()
        {
            CakyPieSeries.Collection cpss = new CakyPieSeries.Collection();
            Dictionary<string, float> values = new Dictionary<string, float>();
            values.Add("aa", 20f);
            values.Add("bb", 30f);
            values.Add("cc", 80f);
            values.Add("dd", 50f);
            Random m_r = new Random();
            List<Color> colors = new List<Color>();
            colors.Add(Color.Red);
            colors.Add(Color.Green);
            colors.Add(Color.Brown);
            colors.Add(Color.YellowGreen);
            int i = 0;
            foreach (KeyValuePair<string, float> key in values)
            {
                Color lineColor = colors[i];//颜色号
                CakyPieSeries cps = new CakyPieSeries(key.Key, key.Value);
                cps.FillColor = lineColor;
                cpss.Add(cps);
                i  ;
            }
            this.pieChartControl1.CakySeries = cpss;
            this.pieChartControl1.Title = "addf";
            this.pieChartControl1.IsShowName = true;
            this.pieChartControl1.SliceRelativeHeight = 0.06f;
            this.pieChartControl1.Invalidate();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            CakyPieSeries.Collection cpss = new CakyPieSeries.Collection();
            Dictionary<string, float> values = new Dictionary<string, float>();
            values.Add("aa", 20f);
            values.Add("bb", 30f);
            values.Add("cc", 80f);
            values.Add("dd", 80f);
            Random m_r = new Random();
            List<Color> colors = new List<Color>();
            colors.Add(Color.Red);
            colors.Add(Color.Green);
            colors.Add(Color.Brown);
            int i = 0;
            foreach (KeyValuePair<string, float> key in values)
            {
                Color lineColor = colors[i];//颜色号
                CakyPieSeries cps = new CakyPieSeries(key.Key, key.Value);
                cps.FillColor = lineColor;
                cpss.Add(cps);
                i  ;
            }
            this.pieChartControl1.CakySeries = cpss;
            this.pieChartControl1.Title = "addf";
            this.pieChartControl1.IsShowName = true;
            this.pieChartControl1.SliceRelativeHeight = 0.06f;
            this.pieChartControl1.Invalidate();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            //aa();

            this.pieChartControl1.CakySeries.Clear();
            this.pieChartControl1.Values = null;
            this.pieChartControl1.Invalidate();
        }
    }
}