Your top shown control is a standard Windows treeview control that FWH supports since long time ago. so that is something that you already have

Regarding the bitmap used for an existing popup menu related to an outlook "group", we can provide a couple of them, and later you can easily implement your own function to change it. We have implemented a BmpOLArrow() that returns the handle of a bitmap. Simply implement your own function BmpOLArrow() in your code and return the handle of the bitmap that you want to use
