Hi,
this is a GSGUI demo made with the Pulish command, so it also shows the folder structure for deployment. To run the demo, just unzip and double-click ex1.exe in "ex1.cd" folder. However, it's the same code as in the GSGUI distribution.
It's avialable here:
http://centillex.com/files/ex1.cd.zipps. DirectX 9.0c is required.