public ScrollablePanel()
{
ScrollableContent = Add(new ConsolePanel() { IsVisible = false }).Fill();
verticalScrollbar = Add(new Scrollbar(Orientation.Vertical) { Width = 1 }).DockToRight();
horizontalScrollbar = Add(new Scrollbar(Orientation.Horizontal) { Height = 1 }).DockToBottom();
AddedToVisualTree.SubscribeForLifetime(OnAddedToVisualTree, this.LifetimeManager);
RemovedFromVisualTree.SubscribeForLifetime(OnRemovedFromVisualTree, this.LifetimeManager);
}