For confirmation dialog boxes to work, they must only appear when a user will almost definitely click the No or Cancel button, and they should never appear when a user is likely to click the Yes or OK button.

• 对于确认对话框来说，它们通常只能在用户明确单击了“否”或“取消”按钮后才会出现。 当用户可能单击“是”或“确定”按钮时，永远不应该出现。