Defines the CF_HDROP and CF_PRINTERS clipboard formats. In the CF_HDROP case, the data that follows is a double - null-terminated list of file names. For CF_PRINTERS, the data that follows are the printer friendly names.
typedef struct _DROPFILES { 
    DWORD pFiles; // offset of file list 
    POINT pt;     // drop point (coordinates depend on fNC) 
    BOOL fNC;     // see below 
    BOOL fWide;   // TRUE if file contains wide characters, 
                  // FALSE otherwise 
} DROPFILES, FAR * LPDROPFILES;