TAreaUpdateEvent
TGetScaleEvent
TGetShiftEvent
THitTestEvent
TLayerClass
TLayerCollectionClass
TLayerListNotification
TLayerListNotifyEvent
TLayerState
TLayerStates
TLayerUpdateEvent
TPaintLayerEvent
TRBConstrainEvent
TRBDragState
TRBHandles
TRBOptions
TRBResizingEvent
TResizeDirection