Csharp/CSharp Tutorial/2D/Pie

Материал из .Net Framework эксперт
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A purple dashed Pen

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class PenPurpleDashed : System.Windows.Forms.Form
{
  private System.ruponentModel.Container components = null;
  public PenPurpleDashed()
  {
    InitializeComponent();
    SetStyle(ControlStyles.ResizeRedraw, true);
  }
  protected override void Dispose( bool disposing )
  {
    if( disposing )
    {
      if (components != null) 
      {
        components.Dispose();
      }
    }
    base.Dispose( disposing );
  }
  private void InitializeComponent()
  {
    this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
    this.ClientSize = new System.Drawing.Size(292, 273);
    this.Paint += new System.Windows.Forms.PaintEventHandler(this.PenPurpleDashed_Paint);
  }
  [STAThread]
  static void Main() 
  {
    Application.Run(new PenPurpleDashed());
  }
  private void PenPurpleDashed_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
  {
    Graphics g = e.Graphics;
    Pen pen3 = new Pen(Color.Purple, 5);
    pen3.DashStyle = DashStyle.DashDotDot;
    g.DrawPolygon(pen3, new Point[]{new Point(30, 140),
                       new Point(265, 200),
                       new Point(100, 225),
                       new Point(190, 190),
                       new Point(50, 330),
                       new Point(20, 180)} );
  }
}

Draw Pie

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class DrawPieDemo : System.Windows.Forms.Form
{
  private System.ruponentModel.Container components = null;
  public DrawPieDemo()
  {
    InitializeComponent();
    SetStyle(ControlStyles.ResizeRedraw, true);
  }
  protected override void Dispose( bool disposing )
  {
    if( disposing )
    {
      if (components != null) 
      {
        components.Dispose();
      }
    }
    base.Dispose( disposing );
  }
  private void InitializeComponent()
  {
    this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
    this.ClientSize = new System.Drawing.Size(292, 273);
    this.Paint += new System.Windows.Forms.PaintEventHandler(this.DrawPieDemo_Paint);
  }
  [STAThread]
  static void Main() 
  {
    Application.Run(new DrawPieDemo());
  }
  private void DrawPieDemo_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
  {
    Graphics g = e.Graphics;
    g.DrawPie(Pens.Black, 150, 10, 120, 150, 90, 80);
  }
}

Fill a pie with solid brush

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
public class SolidBrushWithColor : System.Windows.Forms.Form
{
  public SolidBrushWithColor()
  {
    this.BackColor = System.Drawing.Color.White;
    this.ClientSize = new System.Drawing.Size(400, 400);
    this.Paint += new System.Windows.Forms.PaintEventHandler(this.SolidBrushWithColor_Paint);
  }
  static void Main() 
  {
    Application.Run(new SolidBrushWithColor());
  }
  private void SolidBrushWithColor_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
  {
    Graphics g = e.Graphics;
    Brush brSolid = new SolidBrush(Color.Blue);
    g.FillPie(brSolid, 0, 0, 300, 300, 285, 75);
  }
}