DRAG_SOURCE_INFO (0..1)

Aggregation for a DragSourceInfo. It enables selected entries from an PanelStack to be used as the source for a drag & drop operation.

DROP_TARGET_INFO (0..1)

Aggregation for a DragTargetInfo. It enables selected entries from an PanelStack to be used as specific time points with insertion positions between existing entries or in the first or last panel positions. If the PanelStack has no entries, the only possible insertion position is at the start of the list. Automatic scrolling is supported.

PANELS (0..n)

Aggregation for a Panel subordinate to the PanelStack.