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

namespace Test
{
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Panel panel1;
		private System.Windows.Forms.Panel panel2;
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			InitializeComponent();
		}

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


		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.panel1 = new System.Windows.Forms.Panel();
			this.panel2 = new System.Windows.Forms.Panel();
			this.SuspendLayout();
			// 
			// panel1
			// 
			this.panel1.Location = new System.Drawing.Point(56, 112);
			this.panel1.Name = "panel1";
			this.panel1.Size = new System.Drawing.Size(80, 40);
			this.panel1.TabIndex = 1;
			this.panel1.Paint += new System.Windows.Forms.PaintEventHandler(this.panel1_Paint);
			// 
			// panel2
			// 
			this.panel2.Location = new System.Drawing.Point(160, 112);
			this.panel2.Name = "panel2";
			this.panel2.Size = new System.Drawing.Size(80, 40);
			this.panel2.TabIndex = 2;
			this.panel2.Paint += new System.Windows.Forms.PaintEventHandler(this.panel2_Paint);
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(292, 266);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		  this.panel1,
																		  this.panel2});
			this.Name = "Form1";
			this.Text = "Form1";
			this.ResumeLayout(false);

		}
		#endregion

		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void panel1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
		{
			Color color1 = Color.Blue;
			Color color2 = Color.White;
			Color current = Color.Empty;
			int red;
			int green;
			int blue;
			
			for (int i = 0; i < panel1.Height; i++)
			{
				red = color1.R + (i * (color2.R - color1.R) / 40);
				green = color1.G + (i * (color2.G - color1.G) / 40);
				blue = color1.B + (i * (color2.B - color1.B) / 40);
				current = Color.FromArgb(red, green, blue);

				e.Graphics.DrawLine(new Pen(new SolidBrush(current), 1), 0, i, panel1.Width, i);
			}
		}

		private void panel2_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
		{
			//Brush brush = new LinearGradientBrush(new Rectangle(0, 0, panel2.Width, panel2.Height), Color.Blue, Color.White, LinearGradientMode.Vertical);
			//e.Graphics.FillRectangle(brush, 0, 0, panel2.Width, panel2.Height);
		}
	}
}