Where does Windows store icon positions?
They are located in the registry under
The key that should interest you is the ItemPosXXXxXXX(where XXX is your resolution).
The relevant values are
You can combine them as shown in the table:
Style Mode LogicalViewMode IconSize X-Lg Icons 5 3 0x100 Lg Icons 5 3 0x60 Med Icons 5 3 0x30 Sm Icons 2 3 0x10 List 3 3 0x10 Details 4 1 0x10 Tiles 6 2 0x30
Fortunately found an article that can help you. See:
Windows Shellbag Forensics.