Unit 6

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 Week6
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        Random rd = new Random();//宣告亂數種子
        int x, y, w, h;//(x,y)左上座標; w:寬
        Point[] po = new Point[20];
        Pen pe1; //畫筆顏色
        Brushes br; //填滿色彩
        Font fo; //文字
        Image im1; //影像
        Image[] im = new Image[4]; //影像陣列
        //外部變數
        private void Form1_Load(object sender, EventArgs e)
        {
            this.Width = 960;//視窗寬高
            this.Height = 680;
            //在視窗中央畫十字交叉的線,中央畫綠色實心矩形寬240,高160
            //Color.FromArgb(透明度, 紅色(0-255), 綠色, 藍色)
            pe1 = new Pen(Color.FromArgb(100, 120, 0, 240), 4);
            fo = new Font("微軟正黑體", 36);
        }

        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            this.DoubleBuffered = true;
            e.Graphics.DrawLine(pe1, new Point(0,this.Height/2),
                new Point(this.Width, this.Height / 2));
            e.Graphics.DrawLine(pe1, new Point(this.Width/2,0),
                new Point(this.Width/2, this.Height));