Graph Library

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Anoop.Graph;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;

namespace GraphV1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void ui_btn_Show_Click(object sender, EventArgs e)
        {
           
            string [] keyValue=new string[ui_lbx_DataKey.Items.Count];
            float[] values = new float[ui_lbx_DataKey.Items.Count] ;
            for (int i = 0; i < ui_lbx_DataKey.Items.Count; i++)
            {
                keyValue[i] = ui_lbx_DataKey.Items[i].ToString();
                values[i] = float.Parse(ui_lbx_DataValue.Items[i].ToString());
            }
            DrawGraph bargraph = new DrawGraph(keyValue, values, ui_txt_xlabel.Text, ui_txt_ylabel.Text, "Courier", 255);
            p1.Image = bargraph.DrawBarGraph();
            p2.Image = bargraph.Draw3dBarGraph();
            p3.Image = bargraph.DrawPieGraph();
            p4.Image = bargraph.Draw3DPieGraph();
            float [] newValues=new float[]{5,10,6,3,9,7};
            string[] newXValues = new string[] { "2000", "2001", "2002", "2003", "2004", "2005"};
            p6.Image = bargraph.DrawBarLineGraph(newValues,newXValues);


            DrawGraph bargraph1 = new DrawGraph(keyValue, values, ui_txt_xlabel.Text, ui_txt_ylabel.Text, "Courier", 255);
            p5.Image = bargraph1.DrawLineGraph();
            

             
        }

        private void ui_btn_Add_Click(object sender, EventArgs e)
        {
            ui_lbx_DataKey.Items.Add(ui_txt_DataKey.Text);
            ui_lbx_DataValue.Items.Add(ui_txt_DataValue.Text);
            ui_txt_DataKey.Text = string.Empty;
            ui_txt_DataValue.Text = string.Empty;
        }

        private void ui_btn_Clear_Click(object sender, EventArgs e)
        {
            ui_lbx_DataKey.Items.Clear();
            ui_lbx_DataValue.Items.Clear();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Bitmap b = new Bitmap(300, 300);
            Graphics objGraphics=Graphics.FromImage(b);
            int iLoop, iLoop2;
			
            // Create location and size of ellipse.
			int x  = 50;
			int y  = 120;
			int width  = 200;
			int height = 100;
			
            // Create start and sweep angles.
			int startAngle = 0;
            		
            SolidBrush objBrush = new SolidBrush(Color.Aqua);
			Random rand = new Random();
            int sweepAngle = rand.Next(45); 

			objGraphics.SmoothingMode = SmoothingMode.AntiAlias;
			
			//Loop through 180 back around to 315 degress so it gets drawn correctly.
            for (iLoop = 0; iLoop <= 315; iLoop += sweepAngle)
            {
                startAngle = (iLoop + 180) % 360;

                objBrush.Color = Color.FromArgb(rand.Next(255), rand.Next(255), rand.Next(255));
                // On degrees from 0 to 180 draw 10 Hatched brush slices to show depth
                if ((startAngle < 135) || (startAngle == 180))
                {
                    for (iLoop2 = 0; iLoop2 < 10; iLoop2++)
                        objGraphics.FillPie(new HatchBrush(HatchStyle.Percent50, objBrush.Color), x, y + iLoop2, width, height, startAngle, sweepAngle);

                }
                // Displace this pie slice from pie.
                //if (startAngle == 135)
                //{
                //    // Show Depth
                //    for (iLoop2 = 0; iLoop2 < 10; iLoop2++)
                //        objGraphics.FillPie(new HatchBrush(HatchStyle.Percent50, objBrush.Color), x - 30, y + iLoop2 + 15, width, height, startAngle, sweepAngle);

                //    objGraphics.FillPie(objBrush, x - 30, y + 15, width, height, startAngle, sweepAngle);
                //}
                //else // Draw normally
                    objGraphics.FillPie(objBrush, x, y, width, height, startAngle, sweepAngle);

                sweepAngle = rand.Next(45);
            }

            p5.Image = b;
        }

        private void button1_Click_1(object sender, EventArgs e)
        {
            //    DrawLineGraph()

            //p5.Image = objgraph;

           
        }

        
    }
}