Постороение круговых диаграмм

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Imaging;
using System.Text;
using System.Windows.Forms;
using ZedGraph;
//using System.Threading.Thread.Sleep(100);
namespace CH_M_
{
    public partial class Form1 : Form
    {
 
        private const int marging = 1;
      
        
 
 
        #region Form
 
        public Form1()
        {
            InitializeComponent();
        }
 
        private void Form1_Load(object sender, EventArgs e)
        {
            MakeWindow(zg1);
            SetSize();
            zg1.Left = zg1.Top = marging;
            zg1.Size = new Size(grbGraphics.Size.Width - 2 * marging, grbGraphics.Size.Height - 2 * marging);
        }
 
        private static void MakeWindow(ZedGraphControl zgc)
        {
            GraphPane myPane = zgc.GraphPane;
            myPane.Title.Text = "Graphic";
            myPane.XAxis.Title.Text = "X1";
            myPane.YAxis.Title.Text = "X2";
            myPane.Fill = new Fill(Color.White, Color.FromArgb(220, 220, 255), 45F);
            myPane.Chart.Fill = new Fill(Color.White, Color.LightGoldenrodYellow, 45F);
        }
 
        #endregion
        
        #region MenuStrip
 
        private void MMOpen_Click(object sender, EventArgs e)
        {
            OpenFileDialog openFileDialog1 = new OpenFileDialog();
            openFileDialog1.ShowDialog();
        }
        
        private void MMSave_Click(object sender, EventArgs e)
        {
            SaveFileDialog saveFileDialog1 = new SaveFileDialog();
            saveFileDialog1.ShowDialog();
        }
        
        private void MMExit_Click(object sender, EventArgs e)
        {
            DialogResult result = MessageBox.Show("Are you sure you want to exit?", "Exit question", MessageBoxButtons.YesNo);
            if (result == DialogResult.Yes) Application.Exit();
        }
 
        private void MMPrint_Click(object sender, EventArgs e)
        {
            MessageBox.Show("I dont know", "Message\n Exuse me, but this button dont work");
        }
 
       
        private void MMHotButton_Click(object sender, EventArgs e)
        {
            MessageBox.Show(" Ctrl+O - Open File \n Ctrl+S - Save into File \n Ctrl+D - Delete Row \n Ctrl+R - Clear Rows \n Ctrl+Shift+I - Incert Column \n Ctrl+Shift+D - Delete Column", "Hot Keys");
        }
 
        private void MMAbout_Click(object sender, EventArgs e)
        {
            MessageBox.Show("This application was created by \n Servin Osmanov, \n the student of Tavrida National University.\n\n All rights reserved, 2008", "About author");
        }
 
        #endregion
        
       
    
 
        private void CreateGraph(ZedGraphControl zgc)
        {
            MasterPane myMaster = zgc.MasterPane;
 
            myMaster.PaneList.Clear();
 
            // Set the master pane title
            myMaster.Title.Text = "Итоги наблюдений";
            myMaster.Title.IsVisible = true;
 
            // Fill the masterpane background with a color gradient
            myMaster.Fill = new Fill(Color.White, Color.MediumSlateBlue, 45.0F);
 
            // Set the margins and the space between panes to 10 points
            myMaster.Margin.All = 10;
            myMaster.InnerPaneGap = 10;
 
            // Enable the masterpane legend
            myMaster.Legend.IsVisible = true;
            myMaster.Legend.Position = LegendPos.TopCenter;
            myMaster.IsUniformLegendEntries = true;
 
            // Enter some data values
            double[] values = { 15, 15, 40, 20 };
            double[] values2 = { 250, 50, 400, 50 };
            Color[] colors = { Color.Red, Color.Blue, Color.Green, Color.Yellow };
            double[] displacement = { .0, .0, .0, .0 };
            string[] labels = { "восток", "Запад", "Юг", "Север" };
 
            // Create some GraphPanes
           
                // Create the GraphPane
                GraphPane myPane = new GraphPane();
                myPane.Title.Text = "Статистика на 2003 г";
 
                // Fill the pane background with a solid color
                myPane.Fill = new Fill(Color.Cornsilk);
                // Fill the chart background with a solid color
                myPane.Chart.Fill = new Fill(Color.Cornsilk);
 
                // Hide the GraphPane legend
                myPane.Legend.IsVisible = false;
 
                // Add some pie slices
                PieItem segment1 = myPane.AddPieSlice(20, Color.Blue, .10, "Север");
                PieItem segment2 = myPane.AddPieSlice(40, Color.Red, 0, "Юг");
                PieItem segment3 = myPane.AddPieSlice(30, Color.Yellow, .0, "Восток");
                PieItem segment4 = myPane.AddPieSlice(10.21, Color.Green, .20, "Запад");
               // PieItem segment5 = myPane.AddPieSlice(10.5, Color.Aquamarine, .0, "Canada");
                segment1.LabelType = PieLabelType.Name_Value;
                segment2.LabelType = PieLabelType.Name_Value;
                segment3.LabelType = PieLabelType.Name_Value;
                segment4.LabelType = PieLabelType.Name_Value;
             //   segment5.LabelType = PieLabelType.Name_Value;
 
                // Add the graphpane to the masterpane
                myMaster.Add(myPane);
           
            // Tell ZedGraph to auto layout the graphpanes
            using (Graphics g = CreateGraphics())
            {
                myMaster.SetLayout(g, PaneLayout.ExplicitRow12);
                zgc.AxisChange();
            }
        }
 
        private void SetSize()
        {
            zg1.Location = new Point(10, 10);
        }
 
        private void btnExit_Click(object sender, EventArgs e)
        {
            DialogResult result = MessageBox.Show("Are you sure you want to exit?", "Exit question", MessageBoxButtons.YesNo);
            if (result == DialogResult.Yes) Application.Exit();
        }
 
        private void bntDraw_Click(object sender, EventArgs e)
        {
            CreateGraph(zg1);
            SetSize();
            //zg1.Left = zg1.Top = marging;
            //zg1.Size = new Size(grbGraphics.Size.Width - 2 * marging, grbGraphics.Size.Height - 2 * marging);
        }
    }
    
}