This dual mode, allowing either a single-click for a default-sized object or dragging a rectangle for a custom-sized object, is certainly the most flexible and discoverable method that will satisfy most users.

• 毫无疑问，既允许单击创建默认尺寸的对象，又允许拖动矩形框定制对象大小的双重模式是最灵活和最明显的方式，能令多数用户满意。