Solution
To time differently each case of a case structure, you can :
- create a case structure.
- put a timing function in each case of the structure you want to time.
- Wire a constante or a control with the time you want to wait to the wait function.
Example :
In the following program, the code waits 5 secondes in the "True" case
and the user chooses how long to wait in the false structure : 
