Concept of Bookmarks in WF 4.0

Describe the concept of Bookmarks in WF 4.0.

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In WF 4.0, bookmark is a mechanism which allows activity to wait for the input without interrupting a workflow thread. Whenever an activity signals that it is waiting for input from the user, it creates a bookmark. It is created by using the BookmarkOptions class.

This class delivers the following bookmark types:

a) NonBlocking – It refers to the bookmark which do not block functioning of the workflow.

b) None – It represents a bookmark which can be resumed exactly once. It is default bookmark type.

c) MultipleResume – It refers to a bookmark which you can resume any times.

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