'宣言 Protected Overridable Sub ClearItems()
'使用法 Dim instance As MapOwnedCollectionBase(Of T) instance.ClearItems()
protected virtual void ClearItems()
'宣言 Protected Overridable Sub ClearItems()
'使用法 Dim instance As MapOwnedCollectionBase(Of T) instance.ClearItems()
protected virtual void ClearItems()