CreateVerticalStrut
fLayout->AddItem(BSpaceLayoutItem::CreateVerticalStrut(size));
static BSpaceLayoutItem* CreateVerticalStrut(float height);
.Add(BSpaceLayoutItem::CreateVerticalStrut(B_USE_SMALL_SPACING))
.Add(BSpaceLayoutItem::CreateVerticalStrut(
verticalGroup->AddItem(BSpaceLayoutItem::CreateVerticalStrut(8.0f));
verticalGroup->AddItem(BSpaceLayoutItem::CreateVerticalStrut(8.0f));
layout->AddItem(BSpaceLayoutItem::CreateVerticalStrut(3), 0, 4, 4);
layout->AddItem(BSpaceLayoutItem::CreateVerticalStrut(3), 0, 0, 4);
.Add(BSpaceLayoutItem::CreateVerticalStrut(5), 0, 2, 3)
return BSpaceLayoutItem::CreateVerticalStrut(
.Add(BSpaceLayoutItem::CreateVerticalStrut(spacing / 4))
.Add(BSpaceLayoutItem::CreateVerticalStrut(spacing / 4))
.Add(BSpaceLayoutItem::CreateVerticalStrut(spacing))
.Add(BSpaceLayoutItem::CreateVerticalStrut(spacing))
.Add(BSpaceLayoutItem::CreateVerticalStrut(spacing))
.Add(BSpaceLayoutItem::CreateVerticalStrut(spacing / 2), 0, 6, 2)
.Add(BSpaceLayoutItem::CreateVerticalStrut(spacing), 0, 3)
layout->AddItem(BSpaceLayoutItem::CreateVerticalStrut(size));
.Add(BSpaceLayoutItem::CreateVerticalStrut(5))
BSpaceLayoutItem::CreateVerticalStrut(spacing * 1.5));
BSpaceLayoutItem::CreateVerticalStrut(10));