How to use the Finish-to-start dependencies?
I created all tasks and dependencies (predecessor/sucessor) between them but Gantt doesn't show the dependency between them (all tasks starts at same time)

Information Center RTC 3.0 says:
Finish-to-start dependencies
You can create finish-to-start dependencies between work items. In these dependencies, the start of the successor work item, depends on the completion of another work item, the predecessor. The successor work item can start only after the predecessor work item is completed. For example, you create a finish-to-start dependency between the Create test plan task, which is the predecessor, and the Verify test plan task, which is the successor. The Verify test plan task can start only after the Create test plan task is completed.

http://publib.boulder.ibm.com/infocenter/clmhelp/v3r0/topic/com.ibm.team.apt.doc/topics/c_dependencies.html?resultof=%22%46%69%6e%69%73%68%2d%74%6f%2d%73%74%61%72%74%22%20

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