Gets the task list last modified date.
The date value describing the last modified date of this task list; the last modified date of a task list will also get updated whenever a new task is created in this task list.
| Exception Type | Condition |
|---|---|
| InvalidOperationException | The object has not yet been stored or has already been removed. |
ITaskList Interface | Plumtree.Remote.PRC.Collaboration.Tasklist Namespace