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ADO FetchProgress 事件
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The FetchProgress event is triggered periodically in an asynchronous operation, to state how many more records that have been fetched into the Recordset.
FetchProgress事件将在异步操作程序中被周期性的激发，作用是为了陈述被记录集获取的更多记录。
Syntax
语法
FetchProgress progress,maxprogress,status,objRs |
| Parameter参数 | Description描述 |
|---|---|
| progress | The number of records that have been fetched by the operation |
| maxprogress | The maximum number of records that are expected to be fetched |
| status | An EventStatusEnum value that indicates the status of the execution of the event 指定一个EventStatusEnum值，用于指示事件执行的状态 |
| objRs | The name of the Recordset object that triggered this event 指定激发该事件的记录集对象的名称 |
EventStatusEnum Values
| Constant常量 | Value值 | Description描述 |
|---|---|---|
| adStatusOK | 1 | The operation that caused the event was successful 激发事件操作成功 |
| adStatusErrorsOccurred | 2 | The operation that caused the event failed 激发事件操作失败 |
| adStatusCantDeny | 3 | The operation that caused the event cannot be cancelled 不可以取消正处于处理执行中的操作 |
| adStatusCancel | 4 | The operation that caused the event is cancelled 取消激发事件的操作 |
| adStatusUnwantedEvent | 5 | Prevents subsequent notifications before the event method has finished executing 在时间的运行方法终止运行之前禁止后续的报告 |
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