Whether the managed widget is attached.
Whether the layout item is disposed.
Whether the managed widget is hidden.
Whether the managed widget is visible.
Update the computed size limits of the managed widget.
Update the position and size of the managed widget.
The left edge position of the layout box.
The top edge position of the layout box.
The width of the layout box.
The height of the layout box.
An object which assists in the absolute layout of widgets.
Notes
This class is useful when implementing a layout which arranges its widgets using absolute positioning.
This class is used by nearly all of the built-in lumino layouts.