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Inside Microsoft® Exchange Server 2007 Web Services by Huw Upshall, Mark Taylor, Ben Spain, Michael Mainer, David Sterling

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Chapter 11. Tasks

Everyone has tasks that need to be accomplished. Inherent in the idea of a task is that it is:

  • Actionable. It requires some effort.

  • Measurable. There is a concrete way to measure if the task has been completed, and potentially a way to measure partial completion.

  • Finite. There is an end to the task, typically identified by a due date.

From an Exchange Web Services perspective, a task is simply an item that has an ItemClass starting with IPM.Task. A task is exposed in the schema by the TaskType, which derives from ItemType. As such, TaskType inherits all the properties exposed by ItemType.

Basic Task Operations

Creating a task is as simple as calling CreateItem with a Task element containing all the properties that define your new task. ...

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