matrix rain code

[brad sue]

Hi,
Please can someone help me to find the source code (C/C++)for the "matrix rain" ie green falling letters on the screen.
I tried to do some search online but I only found executable file, but I really would like to kow how to do it.
please hit me with what you got
Thank you

[dglienna]

Get a screen-saver (http://www.kellysoftware.com/ssaver/Matrix_ks.asp)