Public Const COPY_FILE_FAIL_IF_EXISTS = &H1 '//如果目标文件已存在即退出
Public Const COPY_FILE_RESTARTABLE = &H2 '//拷贝失败的时候可以重新开始
'// 此 API 在 WIN9X 下不能使用
Public Declare Function CopyFileEx Lib "kernel32.dll" Alias "CopyFileExA" ( _
ByVal lpExistingFileName As String, _
ByVal lpNewFileName As String, _
ByVal lpProgressRoutine As Long, _
lpData As Any, _
ByRef pbCancel As Long, _
ByVal dwCopyFlags As Long) As Long