Depending on what you are trying to accomplish, this can be done quite easily in two ways:
A) CruiseControl.NET , projectTriggers:
, . task3 task2. task2 , task3 . Trigger, task3 ccnet.config :
<triggers>
<multiTrigger>
<triggers>
<intervalTrigger seconds="30" />
<projectTrigger project="task2">
<triggerStatus>Success</triggerStatus>
</projectTrigger>
</triggers>
</multiTrigger>
</triggers>
B) Nant:
Wim, Nant-, ccnet.config. , , , .