HatchBrush Demo : Smooth Paint : Graphics C# Source Code

    

/*
GDI+ Programming in C# and VB .NET
by Nick Symmonds

Publisher: Apress
ISBN: 159059035X
*/

using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace hatch_c
{
    /// <summary>
    /// Summary description for hatch.
    /// </summary>
    public class hatch : System.Windows.Forms.Form
    {
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public hatch()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
      // 
      // hatch
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Name = "hatch";
      this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
      this.Text = "hatch";
      this.Load += new System.EventHandler(this.hatch_Load);

    }
        #endregion

        /// <summary>
        /// The main entry point for the application.
        /// </summary>
        [STAThread]
        static void Main() 
        {
            Application.Run(new hatch());
        }

    private void hatch_Load(object sender, System.EventArgs e)
    {
    
    }

    protected override void OnPaint ( PaintEventArgs e )
    {
      HatchBrush h = new HatchBrush(HatchStyle.BackwardDiagonal,
                                    Color.Black, 
                                    Color.Cyan);
      Pen P = new Pen(h, 20);

      e.Graphics.Clear(Color.AliceBlue);
      e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;

      e.Graphics.DrawLine(P, 80, 90, 80, 200 );
      e.Graphics.FillEllipse(h, 50, 50, 50, 30 );
    }

    }
}