Task Scheduler 2.0 Interfaces

The interfaces that are described in the following topics provide programmatic access to the functionality that is available within the Task Scheduler that is used in the Windows Vista operating system.

These topics contain a description of the interface, a list of the properties and methods defined by the interface, and remarks about any special circumstances that should be noted when using the interface.

The following interfaces are introduced in Task Scheduler 2.0.

InterfaceDescription
IAction Provides the common properties that are inherited by all action objects.
IActionCollection Contains the actions that are performed by the task. Its methods can be used to add to, remove from, and retrieve the actions of a task.
IBootTrigger Represents a trigger that starts a task when the system is started
IComHandlerAction Represents an action that fires a handler.
IDailyTrigger Represents a trigger that starts a task based on a daily schedule.
IEmailAction Represents an action that sends an email message.
IEventTrigger Represents a trigger that starts a task when a system event occurs.
IExecAction Represents an action that executes a command-line operation.
IIdleSettings Specifies how the Task Scheduler performs tasks when the computer is in an idle condition.
IIdleTrigger Represents a trigger that starts a task when the computer goes into an idle state.
ILogonTrigger Represents a trigger that starts a task when a user logs on.
IMaintenanceSettings Provides the settings that the Task Scheduler uses to perform task during Automatic maintenance.
IMonthlyDOWTrigger Represents a trigger that starts a task on a monthly day-of-week schedule.
IMonthlyTrigger Represents a trigger that starts a task based on a monthly schedule.
INetworkSettings Provides the settings that the Task Scheduler service uses to obtain a network profile.
IPrincipal Provides the security credentials for a principal.
IPrincipal2 Provides additional security credentials for a principal.
IRegisteredTask Provides the methods that are used to run the task immediately, get any running instances of the task, get or set the credentials that are used to register the task, and the properties that describe the task.
IRegisteredTaskCollection Contains all the tasks that are registered.
IRegistrationInfo Provides the administrative information that can be used to describe the task. This information includes details such as a description of the task, the author of the task, the date the task is registered, and the security descriptor of the task.
IRegistrationTrigger Represents a trigger that starts a task when the task is registered.
IRepetitionPattern Defines how often the task is run and how long the repetition pattern is repeated after the task is started.
IRunningTask Provides the methods to get information from and control a running task.
IRunningTaskCollection Provides a collection that is used to control running tasks.
ISessionStateChangeTrigger Triggers tasks for console connect or disconnect, remote connect or disconnect, or workstation lock or unlock notifications.
IShowMessageAction Represents an action that shows a message box when a task is activated.
ITaskDefinition Defines all the components of a task, such as the task settings, triggers, actions, and registration information.
ITaskFolder Provides the methods that are used to register (create) tasks in the folder, remove tasks from the folder, and create or remove subfolders from the folder.
ITaskFolderCollection Provides information and control for a collection of folders that contain tasks.
ITaskHandler Defines the methods that are called by the Task Scheduler service to manage a COM handler.
ITaskHandlerStatus Provides the methods that are used by COM handlers to notify the Task Scheduler about the status of the handler.
ITaskNamedValuePair Creates a name-value pair in which the name is associated with the value.
ITaskNamedValueCollection Contains a collection of ITaskNamedValuePair interface name-value pairs.
ITaskService Provides access to the Task Scheduler service for managing registered tasks.
ITaskSettings Provides the settings that the Task Scheduler services uses to perform the task.
ITaskSettings2 Provides additional settings that the Task Scheduler services uses to perform the task.
ITaskSettings3 Provides the extended settings that the Task Scheduler uses to run the task.
ITaskVariables Defines task variables that can be passed as parameters to task handlers and external executables that are launched by tasks. Task handlers that need to input and output data to job variables should do a query interface on the services pointer for ITaskVariables.
ITimeTrigger Represents a trigger that starts a task when the trigger is activated.
ITrigger Provides the common properties that are inherited by all trigger interfaces.
ITriggerCollection Provides the methods that are used to add to, remove from, and get the triggers of a task.
IWeeklyTrigger Represents a trigger that starts a task based on a weekly schedule.

 

 

 

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