Form1.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

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

namespace shudu
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            int ktabindex = 0;
            Color[] color = { Color.LightCyan, Color.Beige, Color.LightSteelBlue, Color.FloralWhite };
            int[,] seedArray=new int[9,9]{{9,7,8,3,1,2,6,4,5},{3,1,2,6,4,5,9,7,8},{6,4,5,9,7,8,3,1,2},{7,8,9,1,2,3,4,5,6},{1,2,3,4,5,6,7,8,9},{4,5,6,7,8,9,1,2,3},{8,9,7,2,3,1,5,6,4},{2,3,1,5,6,4,8,9,7},{5,6,4,8,9,7,2,3,1}};  

            for (int i = 1; i < 10; i++)
            {
                for (int j = 1; j < 10; j++)
                {
                    Random r1 = new Random(); 

                    TextBox tb = new TextBox();
                    tb.MaxLength = 1;
                    tb.Width = 20;
                    tb.Height = 20;
                    tb.Left = 20 * (i - 1)+i*4;
                    tb.Top = 20 * (j - 1)+j*4;
                    tb.Name = "tb" + i.ToString() + j.ToString();
                    tb.TabIndex = ktabindex;
                    tb.KeyDown += new KeyEventHandler(KeyDown1);
                    tb.KeyUp += new KeyEventHandler(KeyUp1);
                    tb.TextAlign = HorizontalAlignment.Center;
                    if (r1.Next(100) > r1.Next(110))
                        tb.Text = seedArray[i-1, j-1].ToString();
                    if (i < 4 && j < 4 || i > 6 && j > 6||(j>3&&j<7&&i>3&&i<7)||i>6&&j<4||j>6&&i<4)
                        tb.BackColor = color[0]; 
                    panel1.Controls.Add(tb);
                }
            }
        }


        private void KeyUp1(object sender, KeyEventArgs e)
        {
            if(!"123456789".Contains(((TextBox)sender).Text))
                ((TextBox)sender).Text = "" ;
            if (((TextBox)sender).Text.Length == 1)
                SendKeys.Send("\t");
        }
        private void KeyDown1(object sender, KeyEventArgs e)
        {
            if (e.KeyValue < 97 || e.KeyValue > 107)