UMLModel 解除封鎖Stack 取消註解 UncommentCode Underline 復原 UndoCheckBoxList UndoCheckedOutItem 取消停駐 UndoNoColor UnfreezeColumn Ungroup UngroupClause 解除安裝 聯集 UnionInternal UnionPrivate UnionProtected UnionPublic UnionSealed UnionShortcut UniqueKey UniqueKeyError UniqueKeyWarning UnitePath UnitOfMeasure...