[求助]以下代码是啥意思？
?chr(7)result=messagebox("是否确认放弃添加？",4+48+256,"信息窗口")
if result=6
是啥意思？请教各位！
返回值：
| 1 | OK |
| 2 | Cancel |
| 3 | Abort |
| 4 | Retry |
| 5 | Ignore |
| 6 | Yes |
| 7 | No |
4+48+256第一个值可以是：
| 0 | OK button only |
| 1 | OK and Cancel buttons |
| 2 | Abort, Retry, and Ignore buttons |
| 3 | Yes, No, and Cancel buttons |
| 4 | Yes and No buttons |
| 5 | Retry and Cancel buttons |
| 16 | Stop sign |
| 32 | Question mark |
| 48 | Exclamation point |
| 64 | Information (i) icon |
| 0 | First button |
| 256 | Second button |
| 512 | Third button |