Because there was no lag between when the cursor passed over an object and when the balloon was displayed, it rendered the application largely unusable when balloon help was enabled.

• 由于在鼠标经过对象的时刻和气球弹出的时刻之间没有时间的延迟，所以当气球弹出时就会立即遮盖住一大块应用的区域，被遮住的区域便无法使用。