IDTSEvents 成員
Defines a set of events used by the TaskHost on behalf of a task.
IDTSEvents 型別公開下列成員。
方法
| 名稱 | 描述 | |
|---|---|---|
.gif "公用方法") |
OnBreakpointHit | Called when a breakpoint is hit within a task. |
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OnCustomEvent | Called by tasks to raise custom task-defined events. |
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OnError | Called by a task or container when an error occurs. |
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OnExecutionStatusChanged | Called by a task or container when its execution status changes. |
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OnInformation | Called any time the task is required to provide information. |
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OnPostExecute | Called immediately after the execution logic of the task completes. This event is raised by a task or container immediately after it runs. |
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OnPostValidate | Called immediately after the validation logic of the task completes. This event is raised by a task after the task is validated. |
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OnPreExecute | Called when a task is about to execute. This event is raised by a task or a container immediately before it runs. |
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OnPreValidate | Called when the actual validation logic of the task starts. This event is raised when the validation of the task host or container begins. |
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OnProgress | Called to update progress about task execution. |
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OnQueryCancel | Called at any juncture in task processing where it is feasible to cancel execution. This event is raised by tasks and containers to determine whether they should stop running. |
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OnTaskFailed | Called by the task host when it fails. |
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OnVariableValueChanged | Called by the run-time engine. It is not called by tasks. |
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OnWarning | Called any time the task is in a state that does not justify an error, but does warrant alerting the client. |
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