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

namespace DataTransport
{
	public partial class Form2 : Form
	{
		public Form2(string defaultUser)
		{
			InitializeComponent();

			m_txtUserName.Text = defaultUser;
		}

		private void m_btnLogin_Click(object sender, EventArgs e)
		{
			if(this.Login != null)
				this.Login(this, new LoginEventArgs(m_txtUserName.Text));

			this.DialogResult = DialogResult.OK;
		}

		private void m_btnCancel_Click(object sender, EventArgs e)
		{
			this.DialogResult = DialogResult.Cancel;
		}

		#region 使用屬性
		public string UserName
		{
			get
			{
				return m_txtUserName.Text;
			}
			set
			{
				if(value == null)
					m_txtUserName.Text = String.Empty;
				else
					m_txtUserName.Text = value;
			}
		}
		#endregion

		#region 使用事件
		public event LoginEventHandler Login;

		public class LoginEventArgs : EventArgs
		{
			string m_userName;

			public string UserName
			{
				get
				{
					return m_userName;
				}
				set
				{
					if(value != null)
						m_userName = value;
					else
						m_userName = String.Empty;
				}
			}

			public LoginEventArgs(string userName)
			{
				this.UserName = userName;
			}
		}

		public delegate void LoginEventHandler(object sender, LoginEventArgs e);
		#endregion
	}
}