internal BoxPlacement(IContainerEventSink <BoxPlacement> parent, Widget child) { this.parent = parent; this.child = child; }
internal NotebookTab(IContainerEventSink <NotebookTab> parent, Widget child) { this.child = child; this.parent = parent; }
internal Panel(IContainerEventSink <Panel> parent, int numPanel) { this.parent = parent; this.numPanel = numPanel; }