基于视频讲解《通过编程制作一款猜数字的小游戏》的完整源代码：
设计界面
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;
using System.Windows.Forms;
namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
Thread th;
Random rand = new Random();
int randnum;
private void button1_Click(object sender, EventArgs e)
{
int x = 10;
int y = 60;
for (int i = 1; i <= 50; i++)
{
Button bt = new Button();
bt.Text = i.ToString();
bt.Name = i.ToString();
bt.Width = 40;
bt.Height = 40;
bt.Location = new Point(x, y);
bt.Click += new EventHandler(bt_Click);
x += 41;
if (i % 10 == 0)
{
x = 10;
y += 41;
}
Controls.Add(bt);
}
//新建一个线程
th = new Thread(delegate ()
{
int i = 0;
while (true)
{
i = ++i > 1000000 ? 0 : i;
this.Invoke(
(MethodInvoker)delegate
{
label1.Text = i.ToString();
});
Thread.Sleep(1000);
}
});
th.IsBackground = true;
th.Start();
randnum = rand.Next(1, 50);
button1.Enabled = false;
}
private void bt_Click(object sender, EventArgs e)
{
Control bc = sender as Control;
if (int.Parse(bc.Name) > randnum)
{
bc.BackColor = Color.Pink;
bc.Enabled = false;
bc.Text = \"大\";
}
if (int.Parse(bc.Name) < randnum)
{
bc.BackColor = Color.Green;
bc.Enabled = false;
bc.Text = \"小\";
}
if (int.Parse(bc.Name) == randnum)
{
bc.BackColor = Color.Red;
bc.Enabled = false;
bc.Text = \"中\";
th.Abort(); // 线程终止
MessageBox.Show(string.Format(\"终于猜中了，用时{1}秒，猜了{0}次！\", GetCount(), label1.Text), \"恭喜\");
}
}
string GetCount()
{
int pcount = -1;
foreach (Control c in Controls)
{
if (!c.Enabled)
{
pcount++;
}
}
return pcount.ToString();
}
}
}
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