Returns the criticality of each task, e.g., the difference between the latest and earliest start time. This number gives the time by which an activity may be delayed or slowed without increasing the total time to finish the project. Every task whose earliest start time equals its latest start time (difference is 0) are called critical activities.
The GetEarliestCompletionTime method of the TActivityNetwork component calculates and fills in the Criticality, EarliestStartTime and LatestStartTime properties.
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