//----------------------------------------------------------------------------
// wxCanvasObject
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
// wxCanvasObject
//----------------------------------------------------------------------------
//DRAG_RECTANGLE = as a rectangle when drag is in progress |
//DRAG_ONTOP = only redraw the object when dragging |
//DRAG_REDRAW = redraw the damaged areas when dragging
//DRAG_RECTANGLE = as a rectangle when drag is in progress |
//DRAG_ONTOP = only redraw the object when dragging |
//DRAG_REDRAW = redraw the damaged areas when dragging