实现KTV电歌功能，内涵拼音首字母选取和数据库中添加删除歌曲功能，还有数字点歌，明星点歌等。-Power to achieve KTV song features, content selection and the first letter of alphabet added to the database function to delete songs, as well as digital song, star song and so on.

模拟数字小键盘和字母键盘功能，当点击文本控件时候，自动弹出数字小键盘。可切换到字母键盘。 提供小键盘的dll以及如何使用该Dll的示例程序。-Analog numeric keypad and alphanumeric keyboard functionality when clicking text control when the automatic pop-up numeric keypad. Switch to the letter keyboard. Provide small k

主要完成字符截取功能，包括汉字数字字母大小写等等，方便快捷，简单实用-The main character is completed interception capabilities, including alphanumeric characters and so sensitive, convenient, simple and practical

打字游戏，分为数字和字母打字，并实现游戏的速度控制-Typing game, typing into numbers and letters, and to achieve the game s speed control