简单的U盘小偷程序。后台运行，自动复制U盘制定类型文件到设定目录。-U disk thief program. Running in the background, automatically copied to U disk to develop the type of file to set the directory.

C#程序源码。程序后台运行时，一旦有U盘插入就可以自动复制U盘内容到制定目录，快捷且隐蔽，具有一定的实用性。(C# program source code. When the program is running in the background, once the U disk is inserted, the contents of the U disk can be automatically copied to the dir