| 1. | The standard narrowing conversions include the following
标准的收缩转换包括： |
| 2. | Classes have widening and narrowing conversion to and from
的扩大和收缩转换。 |
| 3. | Describes widening conversions and narrowing conversions
描述如何扩大转换和收缩转换。 |
| 4. | On , the consuming code must use
，所使用的代码必须对所有收缩转换使用 |
| 5. | To allow implicit narrowing conversions ; or
以允许隐式收缩转换；或者 |
| 6. | Is the most common result . if the conversion is undefined , an
如果收缩转换失败，最常见的结果是 |
| 7. | Widening and narrowing conversions
>扩大转换和收缩转换 |
| 8. | See " widening and narrowing conversions " on this help page
请参见此“帮助”页上的“扩大转换和收缩转换” 。 |
| 9. | A run - time error occurs if such a narrowing conversion fails
如果此类“收缩转换”失败，将会发生运行时错误。 |
| 10. | When to use narrowing conversions
何时使用收缩转换 |
