Gradient Wrap

   

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

        public GradientWrap()
        {
            //
            // 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()
        {
      // 
      // GradientWrap
      // 
      this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
      this.ClientSize = new System.Drawing.Size(292, 273);
      this.Name = "GradientWrap";
      this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
      this.Text = "GradientWrap";
      this.Load += new System.EventHandler(this.GradientWrap_Load);

    }
        #endregion

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

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

    protected override void OnPaint( PaintEventArgs e )
    {
      GraphicsPath Path = new GraphicsPath();
      Rectangle R = new Rectangle(10, 10, 50, 50);
      e.Graphics.DrawRectangle(Pens.Black,R);
      Path.AddRectangle(R);
      
//      PathGradientBrush B = new PathGradientBrush(Path.PathPoints); 
      PathGradientBrush B = new PathGradientBrush(Path.PathPoints, 
        WrapMode.Tile);
      Color[] c = { Color.Blue, Color.Aqua, Color.Red };

      B.CenterColor = Color.White;
      B.SurroundColors = c;

      //Small circle inside gradient path
      e.Graphics.FillEllipse(B, 15, 15, 30, 30);
      //Large circle outside gradient path
      e.Graphics.FillEllipse(B, 50, 50, 150, 150);
    }

    }
}