贴源码。c#写的指法练习，编写中文练习的人也可参考。

Question

不管别人写得怎样，这是花2小时替我侄女写的。
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跟贴接分！
using System;
using System.Text.RegularExpressions;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;namespace 指法
{
    public partial class Form1 : Form
    {
        public class sLabel : Label
        {
            public sLabel()
            {
                this.Font = new Font("Courier New", 15);
                this.Anchor = AnchorStyles.Left | AnchorStyles.Right;
                this.Visible = false;
                this.AutoSize = true;
                this.Height = 27;
                this.BorderStyle = BorderStyle.None;
                
            }
        }
        public class sRichtextbox : RichTextBox
        {
            public sRichtextbox()
            {
                this.Font = new Font("Courier New", 15);
                this.Height = 27;
                this.ForeColor = Color.Black;
                this.Anchor = AnchorStyles.Left | AnchorStyles.Right;
                this.Visible = false;
                this.ScrollBars = RichTextBoxScrollBars.None;
            }
        }        public Form1()
        {
            InitializeComponent();
            this.MinimumSize = new Size(597, 405);
            this.StartPosition = FormStartPosition.CenterScreen;
        }        List<Label> lstLable = new List<Label>();
        List<RichTextBox> lstRichTextBox = new List<RichTextBox>();
        int NowWorldLengt = 0;
        private void Form1_Resize(object sender, EventArgs e)
        {
            int intWidth = this.ClientSize.Width;
            bool bVisible = false;
            for (int i = 0; i < 30; i++)
            {
                int y = i * 55 +70;  //27为toolstrip高度
                if (y + 5 > this.ClientSize.Height)
                {
                    ShowRichtextboxCount = i;
                    bVisible = false;
                }
                else
                    bVisible = true;
                lstLable[i].Location = new Point(0, y-45);
                lstLable[i].Width = intWidth;
                lstLable[i].Visible = bVisible;
                lstRichTextBox[i].Location = new Point(0,y-22);
                lstRichTextBox[i].Width = intWidth;
                lstRichTextBox[i].Visible = bVisible;
            }            switch (iCharacter)
            {
                case 1:
                    a_z(null, null);
                    break;
                case 2:
                    A_z(null, null);
                    break;
                case 3:
                    A_z_Num(null, null);
                    break;
            }
            
        }        Timer timer = new Timer();  //计时器
        ToolStripLabel tsLSpeed = new ToolStripLabel();
        int iCharacter = 0;
        private void Form1_Load(object sender, EventArgs e)
        {
            for (int i = 0; i < 30; i++)
            {
                sLabel a = new sLabel();
                sRichtextbox b = new sRichtextbox();
                lstLable.Add(a);
                lstRichTextBox.Add(b);
                this.Controls.Add(a);
                this.Controls.Add(b);
                b.Tag = i;
                b.TextChanged += inputboxTextChange;
                b.SelectionChanged += inputboxSelectionChange;
                b.KeyDown += inputboxKeyDown;
                b.GotFocus += inputFocus;
            }
            ToolStrip ts = new ToolStrip();
            ToolStripButton tb1;
            tb1=AddNewTsB("纯小写字母训练", ref ts);
            tb1.Click += a_z;            tb1 = AddNewTsB("大小写字母训练", ref ts);
            tb1.Click += A_z;
           
            tb1 = AddNewTsB("字母及数字训练", ref ts);
            tb1.Click += A_z_Num;            ToolStripSeparator tss1 = new ToolStripSeparator();
            ts.Items.Add(tss1);
            AddNewTsB("当前速度", ref ts);
            ts.Items.Add(tsLSpeed);
            this.Controls.Add(ts);
            timer.Interval = 1000;
            timer.Tick += CountTime;
            Form1_Resize(null,null);        }
        ToolStripButton AddNewTsB(string strText,ref ToolStrip ts)
        {
            ToolStripButton tb1=new ToolStripButton();
            tb1.Text = strText;
            tb1.DisplayStyle = ToolStripItemDisplayStyle.Text;
            ts.Items.Add(tb1);
            return tb1;
        }        int RightKey = 0;  //正确字符数量
        int WrongKey = 0;  //错误字符数量
        int ElapseTime = 0;//使用时间数量（秒）
        void a_z(object sender, EventArgs e)
        { 
            getText('a', 'z');
            iCharacter = 1;
        }
        void A_z(object sender, EventArgs e)
        {
            getText('A', 'z');
            iCharacter = 2;
        }
        void A_z_Num(object sender, EventArgs e)
        {
            getText('0', 'z');
            iCharacter = 3;
        }
        void getText(int miniValue, int maxValue)
        {
            //计算当前看得到的字符
            NowWorldLengt = (this.ClientSize.Width - 10) / 12;
            ElapseTime = 0;
            RightKey = 0;
            WrongKey = 0;
            timer.Enabled = true;
            int iTextLength = 0;
            Random rd = new Random(Guid.NewGuid().GetHashCode());
            Regex reg = new Regex(@"(\d|\w)");
            Regex reg2 = new Regex(@"\w");
            for (int l1 = 0; l1 < 30; l1++)
            {
                StringBuilder sb = new StringBuilder();
                while (iTextLength < NowWorldLengt)
                {
                    char c = (char)rd.Next(miniValue, maxValue);
                    if (miniValue == '0')
                    {
                        if (reg.Match(c.ToString()).Success && c!='_')
                        {
                            sb.Append(c);
                            iTextLength++;
                            Application.DoEvents();
                        }
                    }
                    else
                    {
                        if (reg2.Match(c.ToString()).Success && c != '_')
                        {
                            sb.Append(c);
                            iTextLength++;
                        }
                    }
                }
                iTextLength = 0;
                lstLable[l1].Text = sb.ToString();
                lstRichTextBox[l1].Clear();
            }
            lstRichTextBox[0].Focus();
        }
        void CountTime(object sender, EventArgs e)
        {
            ElapseTime++;
            tsLSpeed.Text = "正确：" + RightKey.ToString() + " 错误：" + WrongKey.ToString() + " 费时：" + ElapseTime.ToString()+" 速度：" +(RightKey*60/ElapseTime).ToString()+"/分钟";
        }
        int NowIndex = -1;  //当前正在输入的richtextbox
        void inputFocus(object sender, EventArgs e)
        { 
            RichTextBox b=(RichTextBox) sender;
            NowIndex = (int)b.Tag;
        }
        void inputboxKeyDown(object sender, KeyEventArgs e)
        {
            if (e.Control || e.KeyValue==16)
                return;
            RichTextBox rb=(RichTextBox) sender;
            int iDiff = 32;
            if (Control.IsKeyLocked(Keys.CapsLock) && e.Shift)
                iDiff *= -1;
            else
            {
                if (e.Shift || Control.IsKeyLocked(Keys.CapsLock))
                    iDiff = 0;
            }
            if (e.KeyValue + iDiff == lstLable[NowIndex].Text[rb.SelectionStart])
            {
                rb.SelectionColor = Color.Black;
                RightKey++;
            }
            else
            {
                rb.SelectionColor = Color.Red;
                WrongKey++;
            }
        }

Answer 1

续上
        void inputboxSelectionChange(object sender, EventArgs e)
        {
            RichTextBox rt = (RichTextBox)sender;
            rt.SelectionStart = rt.Text.Length;
        }
        int ShowRichtextboxCount = -1;  //一共显示出来的输入框数
        void inputboxTextChange(object sender, EventArgs e)
        {
            if (lstRichTextBox[NowIndex].Text.Length == NowWorldLengt)
            {
                ++NowIndex;
                if (NowIndex == ShowRichtextboxCount)
                {
                    timer.Enabled = false;
                    if (MessageBox.Show("恭喜你完成本次练习！", "恭喜", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
                    {
                        switch (iCharacter)
                        {
                            case 1:
                                a_z(null, null);
                                break;
                            case 2:
                                A_z(null, null);
                                break;
                            case 3:
                                A_z_Num(null, null);
                                break;
                        }
                    }
                    return;
                }
                lstRichTextBox[NowIndex].Focus();
            }
        }
    }
}

Answer 2

  i dig three