Form1.cs

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

namespace 俄罗斯方块
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        Game game=null;
        private void button1_Click(object sender, EventArgs e)
        {
            game= new Game();
            pictureBox1.Height = Game.BlockImageHeight * Game.PlayingFieldHeight + 3;
            pictureBox1.Width = Game.BlockImageWidth * Game.PlayingFieldWidth+3;
            pictureBox1.Invalidate();//重画游戏面板区域
            timer1.Enabled = true;
            button1.Enabled = false;
        }
        private void button2_Click(object sender, EventArgs e)
        {
            if (button2.Text == "暂停游戏")
            {
                timer1.Enabled = false; button2.Text = "继续游戏";
            }
            else
            {
                timer1.Enabled = true; button2.Text = "暂停游戏";
            }
        }
        private void button3_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        private void pictureBox1_Paint(object sender, PaintEventArgs e)
        {
            //重画游戏面板
            if (game != null)
            {                
                game.DrawPile(e.Graphics);
                game.DrawCurrentBlock(e.Graphics);
            }
        }
        private void pictureBox2_Paint(object sender, PaintEventArgs e)
        {
            ////重画下一个方块
            if (game != null) game.DrawNextBlock(e.Graphics);
        }
        private void timer1_Tick(object sender, EventArgs e)
        {
            if (!game.DownCurrentBlock())
            {
                pictureBox1.Invalidate();//重画游戏面板区域