






UC4.2 Change Activity Transparency Level
Primary Actor: See Parent Use Case.
Preconditions: See Parent Use Case.
Success Guarantee (Postconditions): See Parent Use Case.
Main Success Scenario
- If the user wants to increase the transparency level for displayed links, they should hit the increase transparency key.
- If the user wants to decrease the transparency level for displayed links, they should hit the decrease transparency key.
Extensions (Alternative Flows):
- Note that if the transparency level is at 100%, an attempt to increase the transparency level will be ignored or cause a status message to be issued. The transparency level will not be changed.
- Note that if the transparency level is at 0%, an attempt to decrease the transparency level will be ignored or cause a status message to be issued. The transparency level will not be changed.
Special Requirements:
NONE
Technology and Data Variation List:
NONE
Frequency of Occurrence: See Parent Use Case
Open Issues:
NONE
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