AddYTab
BReference<YTab> AddYTab();
currentBottom = layout->AddYTab();
fTop = AddYTab();
fBottom = AddYTab();
tabs[i] = AddYTab();
top = AddYTab();
bottom = AddYTab();
bottom = AddYTab();
top = AddYTab();
top = fLayout->AddYTab();
bottom = fLayout->AddYTab();
top = fLayout->AddYTab();
bottom = fLayout->AddYTab();
BReference<YTab> y1 = layout->AddYTab();
BReference<YTab> y2 = layout->AddYTab();
BReference<YTab> y3 = layout->AddYTab();
.AddBelow(menu1, layout->AddYTab(), layout->Left(),