For Smartphone 2003 it is (though not earlier Smartphone 2002 devices).
You'll need to download and install the Smartphone 2003 SDK which will add
the extra support and emulator into Visual Studio so you can develop .NETCF
applications for Smartphone. http://www.microsoft.com/downloads/...99-ec5c-427c-807c-4c0f96765a81&displaylang=en