using System;
using System.Windows.Forms;
using System.Drawing;

public class WaterSystemApp : Form {
	
	private FlowLayoutPanel _panel;
	private Button _button;
	private WaterTank _tank;
	
	public WaterSystemApp(){
		this.InitializeComponents();
	}
	
	public void InitializeComponents(){
		_tank = new WaterTank();
		_button = new Button();
		_button.Text = "Add Water";
		_button.Click += new EventHandler(this.AddWaterButtonClick);		
		_button.Dock = DockStyle.Bottom;
		_panel = new FlowLayoutPanel();
		_panel.SuspendLayout();
		_panel.FlowDirection = FlowDirection.TopDown;
		_panel.AutoSize = true;
		_panel.AutoSizeMode = AutoSizeMode.GrowAndShrink;
		_panel.Height = _tank.Height + _button.Height + 75;
		_panel.Controls.Add(_tank);
		_panel.Controls.Add(_button);
		this.SuspendLayout();
		this.Text = "Water System";
		this.Height = _panel.Height;
	  this.Width = _tank.Width;
		this.Controls.Add(_panel);
		_panel.ResumeLayout();
		this.ResumeLayout();
	}
	
	
	public void AddWaterButtonClick(object sender, EventArgs e){
	   _tank.ChangeWaterLevel(_tank.FillRate);	
	}
	
	public static void Main(){
		Application.Run(new WaterSystemApp());
	}
	
}