Auto Remove only on move (default): If the files are moved (the cursor show a moving cursor when dragging from the DropStack Window) then the files are automatically removed from the DropStack Window.
Always Auto Remove: The files are always removed from the DropStack Window when they are dragged out (moved, copied, linked).
Auto Remove on Right Drag Only: Only removes the files from the DropStack Window if the user uses the right mouse button to do the drag. If the left button is used the files remain in the DropStack.
General
Stack Depth: The number of objects that can be dropped on the DropStack Window. When the stack is full the first item that was placed on the stack is removed.
Show DataObject contents hint: Shows a hint with the objects that are in the DataObject in the DropStack Window. This is useful when an object on the drop stack contains multiple objects.
Files in Hint: If Show DataObject contents hint is enabled limit the number of objects to be shown in the hint.
Group