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ITriggerCollection::Create method (taskschd.h)

  • Article

Creates a new trigger for the task.

Syntax

HRESULT Create(
  [in]  TASK_TRIGGER_TYPE2 type,
  [out] ITrigger           **ppTrigger
);

Parameters

[in] type

This parameter is set to one of the following TASK_TRIGGER_TYPE2 enumeration constants.

Value Meaning
TASK_TRIGGER_EVENT
0
 Triggers the task when a specific event occurs.
TASK_TRIGGER_TIME
1
 Triggers the task at a specific time of day.
TASK_TRIGGER_DAILY
2
 Triggers the task on a daily schedule. For example, the task starts at a specific time every day, every-other day, every third day, and so on.
TASK_TRIGGER_WEEKLY
3
 Triggers the task on a weekly schedule. For example, the task starts at 8:00 AM on a specific day every week or other week.
TASK_TRIGGER_MONTHLY
4
 Triggers the task on a monthly schedule. For example, the task starts on specific days of specific months.
TASK_TRIGGER_MONTHLYDOW
5
 Triggers the task on a monthly day-of-week schedule. For example, the task starts on a specific days of the week, weeks of the month, and months of the year.
TASK_TRIGGER_IDLE
6
 Triggers the task when the computer goes into an idle state.
TASK_TRIGGER_REGISTRATION
7
 Triggers the task when the task is registered.
TASK_TRIGGER_BOOT
8
 Triggers the task when the computer boots.
TASK_TRIGGER_LOGON
9
 Triggers the task when a specific user logs on.
TASK_TRIGGER_SESSION_STATE_CHANGE
11
 Triggers the task when a specific session state changes.

[out] ppTrigger

An ITrigger interface that represents the new trigger.

Pass in a reference to a NULL ITrigger interface pointer. Referencing a non-NULL pointer can cause a memory leak because the pointer will be overwritten.

Return value

If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

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

See also

ITriggerCollection

Task Scheduler