graphic's probleme with subprocess

Question

when I open then close a BPMN subprossed all the links change

somedy has ever had this problem?

quick example: 

before :                                                       

expanded:              

 

after: 

PS: in this example it's not a great problem but with a complex project more than 10 links  change...

Answer 1

You can run an automatic layout algorithm after you have closed the subprocess to get a nice diagram and proper edge routing.
For example, an edge routing algorithm, or the "BPMN" layout (Layout menu > BPMN).