windows.shell32: add some file drag-drop functions
windows.shell32: add some file drag-drop functions

AlexIljin/factor,AlexIljin/factor,mrjbq7/factor,bpollack/factor,bpollack/factor,factor/factor,bpollack/factor,factor/factor,tgunr/factor,mrjbq7/factor,factor/factor,tgunr/factor,tgunr/factor,mrjbq7/factor,mrjbq7/factor,bpollack/factor,bpollack/factor,AlexIljin/factor,AlexIljin/factor,AlexIljin/factor,tgunr/factor,tgunr/factor,AlexIljin/factor,bpollack/factor,mrjbq7/factor,factor/factor,mrjbq7/factor,bpollack/factor,AlexIljin/factor,factor/factor,factor/factor,tgunr/factor