一个DELPHI 下COPYFILEEX 写的更新代码 希望对大家有所帮助-under COPYFILEEX a written update on the code you want some help

封装CopyFileEx函数，实现复制文件时的速度控制，和获取复制进度，异步和同步的选择-Package CopyFileEx function, copy the files to achieve the speed control, and access to copy the schedule, the choice of asynchronous and synchronous