using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Drawing2D;
using System.Diagnostics;

namespace Graphics2
{
	/// This is the second graphics example from class on 7/9/07.
	/// This program makes the graphics persistent by installing a
	/// handler for the form's Paint event and doing the drawing
	/// in the handler. The button doesn't do anything--it's there
	/// just to show that Windows redraws it for us automatically.
	/// The program also demostrates the use of a gradient brush
	/// for filling a rectangle. Also, calls of the paint handler
	/// are logged in the debug output window. (You have to run
	/// under the debugger to see this.) The IDE was used to create
	/// the stub of the Form2_Paint method and register it for the
	/// Paint event.
	
	public partial class Form2 : Form
	{
		private int paintHandlerCalls = 0;
		public Form2()
		{
			InitializeComponent();
		}
		private void Form2_Paint(object sender, PaintEventArgs e)
		{
			Graphics g = e.Graphics; //We don't create this so we won't call Dispose on it
			Brush br = new LinearGradientBrush(new Point(10, 10), new Point(250,250),
			Color.Blue, Color.Red);
			g.FillRectangle(br, 10, 10, 240, 240);
			br.Dispose();
			Debug.WriteLine("MyPaintHandler " + paintHandlerCalls++);
		}
	}
}

/// This line of code was generated by Visual Studio in the file Form2.Designer.cs to
/// register for the Paint event:
///
///   this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form2_Paint);