Thanks for that but when are you supposed to use DragDrop and when OLEDragDrop?

>>So if I want to Drag&Drop different set of data within my application (across screens) how do I distinguish between what data I'm dropping?
>
>1. To Drag&Drop within application you do not need OLE Drag&Drop.
>In DragDrop event you can get oSource - the reference to dragged control and can refer to properties of that control.
>
>2. Data Format of DataObject should be used to identify format of data, not the source or target of data. You could add an item to array with these additional data.