Anteckning
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Gets or sets a query string that identifies the event that fires the trigger.
This property is read/write.
Syntax
HRESULT get_Subscription(
BSTR *pQuery
);
Parameters
pQuery
Return value
None
Remarks
When reading or writing your own XML for a task, the event subscription is specified using the Subscription element of the Task Scheduler schema.
For more information about writing a query string for certain events, see Event Selection and Subscribing to Events.
Examples
The following query string defines a subscription to all level 2 events in the System channel.
"<QueryList>
<Query Id='1'>
<Select Path='System'>*[System/Level=2]</Select>
</Query>
</QueryList>"
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2008 [desktop apps only] |
| Target Platform | Windows |
| Header | taskschd.h |
| Library | Taskschd.lib |
| DLL | Taskschd.dll |