internal static extern void elm_drop_target_add(IntPtr obj,
DragDropContentType type,
DragStateCallback enterCallback,
IntPtr enterData,
DragStateCallback leaveCallback,
IntPtr leaveData,
DragPositionCallback positionCallback,
IntPtr positionData,
DropCallback dropcallback,
IntPtr dropData);
internal static extern void elm_drag_start(IntPtr obj,
DragDropContentType contentType,
IntPtr data,
DragDropActionType actionType,
DragIconCreateCallback iconCreateCallback,
IntPtr iconCreateData,
DragPositionCallback dragPositionCallback,
IntPtr dragPositonData,
DragAcceptCallback dragAcceptCallback,
IntPtr dragAcceptData,
DragStateCallback dragStateCallback,
IntPtr dragStateData);
