我自制的文件夹备份工具。程序代码用到VB自身的文件复制、删除、查找。自定义备份周期，启动自动隐藏，按热键Ctrl+alt+f9自动呼出，保存源和目标位置等功能，很适合初学者学习。-I made a folder backup tool. VB code to use its own copy, delete, search. Custom backup cycle, start the Auto Hide, by hotkey Ctrl+ Alt+ F9 automatically exhale

自定义热键运行程序等等文件，空格加字母回车触发热键，不会与其他程序冲突，而且不容易被误触发。-Custom hotkey to run the program and so on file, space plus the letter carriage return triggers the hot key, will not have the conflict with other procedures, moreover is not easy to be mistakenly trigge

一个可以锁定系统三组热键 ctrl+esc alt + F4 ctrl + alt + del的代码,-A three groups can lock system hotkey CTRL+ Alt+ F4 esc CTRL+ Alt+ del code,

An example of hotkey application in VB programming()