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

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        TextBox tbusername = new TextBox();
        TextBox tbpassword = new TextBox();
        Button blogin = new Button();
        Button[] blist = new Button[10];

        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            tbusername.Text = "";
            tbusername.Location = new Point(100, 100);

            tbpassword.Text = "";
            tbpassword.PasswordChar = '*';
            tbpassword.Location = new Point(100, 125);

            blogin.Text = "登陸";
            blogin.Location = new Point(100, 150);
            blogin.Click += new EventHandler(blogin_Click);

            this.Controls.Add(tbusername);
            this.Controls.Add(tbpassword);
            this.Controls.Add(blogin);
        }
        private void blogin_Click(object o, EventArgs ea)
        {
            if (tbusername.Text.Equals("") && tbpassword.Text.Equals(""))
            {
                this.WindowState = FormWindowState.Maximized;
                tbusername.Visible = false;
                tbpassword.Visible = false;
                blogin.Visible = false;

                TabControl tc = new TabControl();
                tc.Size = this.Size;

                TabPage tpdingcan = new TabPage("訂餐");
                tc.Controls.Add(tpdingcan);

                TabPage tpcaipin = new TabPage("菜品");
                tc.Controls.Add(tpcaipin);

                this.Controls.Add(tc);

                for (int i = 0; i < 10; i++)
                {
                    blist[i] = new Button();
                    blist[i].Text = i + "號桌";
                    blist[i].Location = new Point(i * 100, 0);
                    tpdingcan.Controls.Add(blist[i]);
                }
                //bdingcan.Location = new Point(0, 0);
                //bdingcan.Size = new Size(100, 100);
                //bdingcan.Text = "訂餐";
                //this.Controls.Add(bdingcan);

                //bcaipin.Location = new Point(200, 0);
                //bcaipin.Size = new Size(100, 100);
                //bcaipin.Text = "菜品";
                //this.Controls.Add(bcaipin);

                return;
            }
            MessageBox.Show("使用者名稱或密碼輸入錯誤!");
        }
    }
}