Here's a related post on this topic from Oct 22, 2008:
the constant forced opening in full screen is enough of an irritation that I now understand why fellow programmers do not like any of your editors for major corporate work. It is a childish display not letting the user choose the size and placement of involved multi-file projects each time it needs to be reopened. I just worked on a project that required five files open at the same time and I used your Tools/Load a list of files but they all open full screen losing the sizing and placement on the screen that I previously had set for them. View This Post > Here
I agree with that disgruntled user that this is an important if not ESSENTIAL feature to have in a professional development environment.
When we Launch the Application (with file restore option set), OR Open A Saved File List: The program should Remember & Restore the Files, Sizes & Placement to what they were the last time. Please refer to my 14 Ultimate Feature Requests
In fact, as that user pointed out, it may be there are many users who will simply move on to other programs and not even bother to visit the forum or mention why they are dissatisfied. In other words, they won't be here to cast their vote on this issue, they're just gone. It's THAT important. (I guess I've made my point... )