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
    {
        Graphics g;
        Pen pen;
        Font font;
        Brush brush;
        public Form1()
        {
            InitializeComponent();
            g = this.CreateGraphics();
            pen = new Pen(Color.Black, 3);
            font = new Font("標楷體", 16);
            brush = new SolidBrush(Color.Black);
        }
        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            g.DrawLine(pen, new Point(1, 1), new Point(300, 100));
            g.DrawLine(pen, new Point(100, 1), new Point(300, 100));
            g.DrawRectangle(pen, new Rectangle(50, 50, 100, 100));
            g.DrawString("Hello! 你好！", font, brush, new PointF(150.0F, 150.0F));
            Image image = Image.FromFile("../../ccc.jpg");
            g.DrawImage(image, new Point(200, 200));
        }
    }
}
        

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 FormDictionary : Form
    {
        Dictionary<String, String> dict = new Dictionary<string, string>();
        public FormDictionary()
        {
            InitializeComponent();
        }
        private void buttonQuery_Click(object sender, EventArgs e)
        {
            try
            {
                String eword = comboBoxQuery.Text;
                String cword = dict[eword];
                richTextBox.Text = cword;
            }
            catch
            {
                MessageBox.Show("輸入錯誤，查不到！");
            }
        }
        private void FormDictionary_Load(object sender, EventArgs e)
        {
            String[] eWords = new String[] { "dog", "cat", "eat", "chase", "run", "a",    "the" };
            String[] cWords = new String[] { "狗",  "貓",  "吃",  "追",     "跑",  "一隻", "這隻" };
            for (int i = 0; i < eWords.Length; i++)
            {
                dict.Add(eWords[i], cWords[i]);
            }
        }
    }