static AtkObject* getCaptionCB(AtkTable* aTable) { AccessibleWrap* accWrap = GetAccessibleWrap(ATK_OBJECT(aTable)); if (!accWrap) return nsnull; TableAccessible* table = accWrap->AsTable(); NS_ENSURE_TRUE(table, nsnull); Accessible* caption = table->Caption(); return caption ? AccessibleWrap::GetAtkObject(caption) : nsnull; }