[EXPLORER] -Use WM_POPUPSYSTEMMENU to open the system menu of a window. CORE-13400
drwxr-xr-x - reactos
drwxr-xr-x - rosapps
drwxr-xr-x - rossubsys
drwxr-xr-x - rostests
drwxr-xr-x - wallpapers