Move window by dragging button

FROM : slasktrattenator
DATE : Mon Jan 14 23:41:13 2008

Dear list,

I have a borderless, fully transparant window. The window contains a
button. I would like the user to be able to move this window by
dragging the button around, sort of a movableByWindowBackground thing
but for a button. Is this possible?

Thanks,
F.