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

namespace Example73
{
	/// <summary>
	/// Summary description for Form1.
	/// </summary>
	public class Form1 : System.Windows.Forms.Form
	{
		private System.Windows.Forms.TextBox textBox1;
		private System.Windows.Forms.ComboBox comboBox1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Button button1;
		private System.Windows.Forms.Label label2;
		private System.Windows.Forms.Label label3;
		private System.Windows.Forms.Label label4;
		private System.Windows.Forms.Label label5;
		private System.Windows.Forms.Button button2;
		private System.Windows.Forms.TextBox textBox2;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;

		public Form1()
		{
			//
			// 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()
		{
			this.textBox1 = new System.Windows.Forms.TextBox();
			this.comboBox1 = new System.Windows.Forms.ComboBox();
			this.label1 = new System.Windows.Forms.Label();
			this.button1 = new System.Windows.Forms.Button();
			this.label2 = new System.Windows.Forms.Label();
			this.label3 = new System.Windows.Forms.Label();
			this.label4 = new System.Windows.Forms.Label();
			this.label5 = new System.Windows.Forms.Label();
			this.button2 = new System.Windows.Forms.Button();
			this.textBox2 = new System.Windows.Forms.TextBox();
			this.SuspendLayout();
			// 
			// textBox1
			// 
			this.textBox1.Location = new System.Drawing.Point(64, 120);
			this.textBox1.Name = "textBox1";
			this.textBox1.Size = new System.Drawing.Size(64, 20);
			this.textBox1.TabIndex = 2;
			this.textBox1.Text = "0";
			// 
			// comboBox1
			// 
			this.comboBox1.Items.AddRange(new object[] {
														   "eggs",
														   "milk",
														   "bread"});
			this.comboBox1.Location = new System.Drawing.Point(64, 80);
			this.comboBox1.Name = "comboBox1";
			this.comboBox1.Size = new System.Drawing.Size(88, 21);
			this.comboBox1.TabIndex = 3;
			this.comboBox1.SelectedIndexChanged += new System.EventHandler(this.comboBox1_SelectedIndexChanged);
			// 
			// label1
			// 
			this.label1.Font = new System.Drawing.Font("Microsoft Sans Serif", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.label1.Location = new System.Drawing.Point(72, 24);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(160, 32);
			this.label1.TabIndex = 4;
			this.label1.Text = "Edit your cart";
			this.label1.TextAlign = System.Drawing.ContentAlignment.MiddleCenter;
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(176, 120);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(56, 24);
			this.button1.TabIndex = 5;
			this.button1.Text = "Order";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// label2
			// 
			this.label2.Location = new System.Drawing.Point(16, 176);
			this.label2.Name = "label2";
			this.label2.Size = new System.Drawing.Size(168, 88);
			this.label2.TabIndex = 6;
			this.label2.Text = "Your have purchaged";
			// 
			// label3
			// 
			this.label3.Location = new System.Drawing.Point(16, 80);
			this.label3.Name = "label3";
			this.label3.Size = new System.Drawing.Size(48, 24);
			this.label3.TabIndex = 7;
			this.label3.Text = "Items";
			// 
			// label4
			// 
			this.label4.Location = new System.Drawing.Point(16, 120);
			this.label4.Name = "label4";
			this.label4.Size = new System.Drawing.Size(48, 24);
			this.label4.TabIndex = 8;
			this.label4.Text = "Quantity";
			// 
			// label5
			// 
			this.label5.Location = new System.Drawing.Point(176, 80);
			this.label5.Name = "label5";
			this.label5.Size = new System.Drawing.Size(96, 24);
			this.label5.TabIndex = 9;
			this.label5.Text = "Price: ";
			// 
			// button2
			// 
			this.button2.Location = new System.Drawing.Point(208, 240);
			this.button2.Name = "button2";
			this.button2.Size = new System.Drawing.Size(56, 24);
			this.button2.TabIndex = 10;
			this.button2.Text = "Total";
			this.button2.Click += new System.EventHandler(this.button2_Click);
			// 
			// textBox2
			// 
			this.textBox2.Location = new System.Drawing.Point(280, 240);
			this.textBox2.Name = "textBox2";
			this.textBox2.Size = new System.Drawing.Size(48, 20);
			this.textBox2.TabIndex = 11;
			this.textBox2.Text = "$ 0.00";
			// 
			// Form1
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(352, 308);
			this.Controls.Add(this.textBox2);
			this.Controls.Add(this.button2);
			this.Controls.Add(this.label5);
			this.Controls.Add(this.label4);
			this.Controls.Add(this.label3);
			this.Controls.Add(this.label2);
			this.Controls.Add(this.button1);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.comboBox1);
			this.Controls.Add(this.textBox1);
			this.Name = "Form1";
			this.Text = "Form1";
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new Form1());
		}

		private void listBox1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			//textBox1.Text = lstShopping.SelectedIndex.ToString();
			//textBox1.Text = lstShopping.SelectedItem.ToString();
		}

		private void comboBox1_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			//textBox1.Text = comboBox1.SelectedItem.ToString();
			int s = comboBox1.SelectedIndex;
			
			if(s==0)
				label5.Text = "$1.90 per dozen";		

			if(s==1)
				label5.Text = "$1.47 per quart";		

			if(s==2)
				label5.Text = "$2.12 per loaf";		
		}
		
		int num_egg = 0;
		int num_bread = 0;
		int num_milk = 0;
		private void button1_Click(object sender, System.EventArgs e)
		{			
			int quantity = int.Parse(textBox1.Text.ToString());
			double total = 0.0;
			int item = comboBox1.SelectedIndex;
			
			if(item==0)
			{
				num_egg = quantity;
			}
			else if(item==1)
			{
				num_milk = quantity;
			}
			else
			{
				num_bread = quantity;
			}

			string description = "You have purchased\n" + 
								num_egg + " dozen(s) of eggs\n"+
								num_milk + " quart(s) of milk\n"+
								num_bread + " loaf(s) of bread";			

			label2.Text = description;
		}

		private void button2_Click(object sender, System.EventArgs e)
		{
			double total = num_egg * 1.9 + num_bread * 2.12 + num_milk * 1.47;
			textBox2.Text = string.Format("{0:C2}",total);
		}

		
	}
}