train.cs

来自「OOP With Microsoft VB.NET And Csharp Ste」· CS 代码 · 共 128 行

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

namespace TrainGame
{
	/// <summary>
	/// Summary description for Train.
	/// </summary>
	[System.ComponentModel.DefaultEvent("DistanceChanged")]
	public class Train : System.Windows.Forms.UserControl
	{
		private System.ComponentModel.IContainer components;

		public Train()
		{
			// This call is required by the Windows.Forms Form Designer.
			InitializeComponent();

			// TODO: Add any initialization after the InitForm 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 Component 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.components = new System.ComponentModel.Container();
			this.timer1 = new System.Windows.Forms.Timer(this.components);
			// 
			// timer1
			// 
			this.timer1.Enabled = true;
			this.timer1.Tick += new System.EventHandler(this.timer1_Tick);
			// 
			// Train
			// 
			this.Name = "Train";

		}
		#endregion

		private int m_speed = 0;
		private System.Windows.Forms.Timer timer1;
	
		public int Speed 
		{
			get 
			{
				return m_speed;
			}
			set 
			{
				if (value >= 0)
				{
					m_speed = value;
				}
			}
		}

		private int m_distance = 0;
		public int Distance 
		{
			get 
			{
				return m_distance;
			}
		}

		public void ReStart()
		{
			m_distance = 0;
		}

		private void timer1_Tick(object sender, System.EventArgs e)
		{
			if (m_speed >0)
			{
				m_distance += (int)((double)m_speed *
					((double)timer1.Interval / 1000F));
				if (DistanceChanged != null)
				{
					DistanceChanged(this, new DistanceChangedEventArgs(m_distance));
				}
			}		
		}

		public delegate void DistanceChangedEventHandler(object sender,
			DistanceChangedEventArgs e);
		public event DistanceChangedEventHandler DistanceChanged;

	}

	public class DistanceChangedEventArgs : System.EventArgs 
	{
		private int m_distance;
		public int Distance 
		{
			get {return m_distance;}
		}
		public DistanceChangedEventArgs(int distance)
		{
			m_distance =distance;
		}
	}
}