In regards to the question about changing the diagnostic level, you
can change the diagnostic level by selecting among the analysis types. The following link provides information about
selecting a Memory Error Analysis type.
You can select a different Memory Error Analysis type for example (Detect Leaks mi1, Detect Memory Problems mi2, Locate Memory Problems mi3) and click on the Show Command Line button in the lower right corner of the Intel Inspector XE GUI to see the formulated command and more specifically what -collect is set to (Example mi1, mi2, mi3).
After the analysis has completed and data finalized, the following document discusses interpreting result data for detected memory errors.
In regards to resource leaks you are experiencing related to SETBKCOLOR, SETWINDOWCONFIG,CLEARSCREEN in your application, perhaps there is someone else on the forum who knows something about this off the top of their head. If not, we may need additional information or a sample reproducer to interpret and provide suggestions.