C#动态数据绘图graphic的实现方法介绍

本文实例讲述了C#实现动态数据绘图graphic的方法。分享给大家供大家参考，具体如下：

using System;
    using System.Collections.Generic;
    using System.componentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Windows.Forms;
    using System.Drawing.Drawing2D;
namespace Drawing{
  public partial class Form1 : Form  {
    public Form1()    {
          InITializeComponent();
    }
        PRivate int WidthAdded = 0;
        private int HeightAdded = 0;
        private int Added_Value = 15;
        private int Incremented = 3;
        private double Width_Max = 0.0f;
        private double Height_Max = 0f;
        private string hstrlink;
        private string vstrlink;
        private const int hor_kedu=17;
        private const int ver_kedu = 13;
        private double HelpRdm = 0;
    private void Form1_Load(object sender, Eventargs e)    {
          Width_Max=Convert.ToDouble(panel.ClientSize.Width);
          Height_Max = Convert.ToDouble(panel.ClientSize.Height);
          BTnstatusInfoForb();
    }
    private void button1_Click(object sender, EventArgs e)    {
          Graphics myGraphics_framwork;
          PEn myPen = new Pen(Color.Blue, 0.25f);
          myGraphics_framwork = panel.CreateGraphics();
          for (int Increment = 0;
     Increment  panel.Height;
 Increment += Incremented)      {
            myGraphics_framwork.DrawLine(myPen, 0, HeightAdded, panel.ClientSize.Width, HeightAdded);
            HeightAdded = HeightAdded + Added_Value;
      }
          for (int Increment = 0;
     Increment  panel.Height;
 Increment += Incremented)      {
            myGraphics_framwork.DrawLine(myPen, WidthAdded, 0, WidthAdded, panel.ClientSize.Height);
            WidthAdded = WidthAdded + Added_Value;
      }
          myGraphics_framwork.Dispose();
          for (int hstart = 0;
     hstart  Width_Max;
 hstart += hor_kedu)      {
            hstrlink = hstrlink + hstart.ToString() + "-";
      }
          label2.Text = hstrlink;
          for (int start = (int)Height_Max;
     start >
     0;
 start -= ver_kedu)      {
            vstrlink = vstrlink + start.ToString() + "-" + "\n";
      }
          label3.Text = vstrlink + "0-";
          BtnStatusInfoActi();
          button1.Enabled = false;
    }
    private void BtnStatusInfoForb()    {
          button2.Enabled = false;
          button3.Enabled = false;
          button4.Enabled = false;
          trackBar1.Enabled = false;
          Rec_NumBox.Enabled = false;
    }
    private void BtnStatusInfoActi()    {
          button2.Enabled = true;
          button3.Enabled = true;
          button4.Enabled = true;
          trackBar1.Enabled = true;
          Rec_NumBox.Enabled = true;
    }
    private void myfun()    {
          Graphics myGraphics = panel.CreateGraphics();
          Font myFont = new Font("Times New roman", 72, FontStyle.Italic);
          Point startPoint = new Point(0, 0);
          Point endPoint = new Point(30, 30);
          LinearGradientbrush myBrush = new LinearGradientBrush(startPoint, endPoint, Color.Black, Color.Yellow);
          myBrush.WrapMode = WrapMode.TileFlipXY;
          myGraphics.DrawString("String", myFont, myBrush, 0, 0);
    }
    private void button2_Click(object sender, EventArgs e)    {
      if (ParaBox1.Text == null)      {
            MessageBox.Show("请输入矩形的高度");
      }
      else      {
        try        {
              Graphics myGraphics_Rectangle = panel.CreateGraphics();
              Pen myPen_Rec = new Pen(Color.red, 3);
              Rectangle rect = new Rectangle();
              rect.X = 20;
     rect.Y = panel.ClientSize.Height - Convert.ToInt32(ParaBox1.Text);
              rect.Width = 20;
     rect.Height = panel.ClientSize.Height;
              myGraphics_Rectangle = panel.CreateGraphics();
              myGraphics_Rectangle.DrawRectangle(myPen_Rec, rect);
              SolidBrush MyRectBrush = new SolidBrush(Color.Purple);
              myGraphics_Rectangle.FillRectangle(MyRectBrush, rect);
              myGraphics_Rectangle.Dispose();
        }
        catch (Exception Excp)        {
              MessageBox.Show(Excp.Message);
        }
      }
    }
        /// summary>
        ///    /// /summary>
        /// param name="sender">
    /param>
        /// param name="e">
    /param>
    private void button3_Click(object sender, EventArgs e)    {
          Graphics myGraphics_Rectangle = panel.CreateGraphics();
      if (Rec_NumBox == null)      {
            MessageBox.Show("请输入你要绘制的矩形数量");
      }
      else      {
            double count = Convert.ToInt32(Rec_NumBox.Text);
            double TableSpace = (1 * Width_Max) / (4 * count);
            double TableWidth = (3 * Width_Max) / (4 * count);
            double RecOffset = TableWidth + TableSpace;
    //        Pen myPen_Rec = new Pen(Color.Red, 3);
            for (long RectNum = 0;
     RectNum  count;
 RectNum++)        {
              Random Radom = new Random();
              System.Threading.Thread.Sleep(20);
              double RandomHegiht =Radom.Next(0, Convert.ToInt32(Height_Max));
              Rectangle rect = new Rectangle();
              rect.X =Convert.ToInt32(RectNum*RecOffset);
              rect.Y = Convert.ToInt32(panel.ClientSize.Height - RandomHegiht);
              rect.Width = Convert.ToInt32(TableWidth);
              rect.Height = panel.ClientSize.Height;
              myGraphics_Rectangle = panel.CreateGraphics();
              myGraphics_Rectangle.DrawRectangle(myPen_Rec, rect);
              SolidBrush MyRectBrush = new SolidBrush(Color.Green);
              myGraphics_Rectangle.FillRectangle(MyRectBrush, rect);
        }
          myGraphics_Rectangle.Dispose();
      }
          Rec_NumBox.Text = Added_Value.ToString();
          Added_Value = Added_Value+50;
    }
    private void button4_Click(object sender, EventArgs e)    {
          StringFormat sf=new StringFormat();
          sf.Alignment = StringAlignment.Near;
          Graphics myGraphics = panel.CreateGraphics();
          RectangleF REf = new RectangleF(12, 30, 8, 38);
          Font myFont = new Font("Times New Roman", 62, FontStyle.Italic);
          Point startPoint = new Point(0, 0);
          Point endPoint = new Point(30, 30);
          LinearGradientBrush myBrush = new LinearGradientBrush(startPoint, endPoint, Color.Green, Color.Blue);
          SolidBrush MyRectBrush = new SolidBrush(Color.Purple);
          myBrush.WrapMode = WrapMode.TileFlipXY;
          myGraphics.DrawString("b2spirit", myFont, myBrush, 0, 0);
          Random r=new Random();
          int temp=r.Next(10,300);
          myGraphics.DrawString(temp.ToString(), myFont, MyRectBrush, REf, sf);
    }
    private void trackBar1_Scroll(object sender, EventArgs e)    {
          TrackBar myTB=new TrackBar();
          myTB=(TrackBar)sender;
          Rec_NumBox.Text = myTB.Value.ToString();
    }
  }
}
    

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