在Wince下实现程序文件的升级，从SD卡中升级到flash中-The Wince achieve an upgrade program file from the SD card to upgrade to flash in the

文件拷贝类，可以实现对文件和文件夹的复制操作，可自动区分文件/目录-Copy the file type, you can achieve the right files and folders copying operation can automatically distinguish between file/directory