Stardock, branch-tree capability???

I was wondering if there is a way to put a code into the dockapplet properties so it will allow a brach effect to happen.
Such as what im trying to do now. I want to make a dockapplet to my folder called "Games" but what i want is that when i put my mouse over the "Games" icon, a branch will showup below it showing all the games thats IN that folder so i can open the games and dont have to open the folder itself. if not there should be...

Thanks,