logincontrol.cs

这是.net2005学习不可缺少的教程

using System;

namespace LoginEvent
{
	/// <summary>
	/// LoginControl 的摘要说明。
	/// </summary>
	
	public delegate void LoginSuccess(object sender,LoginEventArgs args);
	public delegate void LoginFaild(object sender,LoginEventArgs args);
	
	public class LoginControl
	{
		public event LoginSuccess SuccessEvent;
		public event LoginFaild FaildEvent;

		public virtual void Login(string username,string password)
		{
			Users user = null;
			bool state=false;
			if(username=="Admin" && password=="psw")
			{
				state=true;
				user=new Users(username,"Admin Role");
			}

			LoginEventArgs args=new LoginEventArgs(user);

			if(state)
			{
				if(SuccessEvent!=null)
				{
					SuccessEvent(this,args);
				}
			}
			else
			{
				if(FaildEvent!=null)
				{
					FaildEvent(this,args);
				}
			}
		}
	}
}