About file copying problem

I ask you, how to replicate the desktop application push of a button to achieve the file from the desktop computer to function wince device? I use the USB connection, the development environment is vs 2003, the language is c #.

Reply:
There activesync if
ReadFile
CeCreateFile
CeWriteFile
Reply:
Thank you, so if you wince device to copy files from your desktop computer to which the function to be called?
Reply:
CeCreateFile
CeReadFile
CreateFile
WriteFile
Reply:
wince 5.0 development environment is kind of how it?
It is not only with vs2005 development, use c # it?