Closes the active window
[C++]
static int Close(
   bool save_logical,
   bool route_logical = false
);
Save_logical is a logical value that specifies whether to save the file before closing the window.
Route_logical is a logical value that specifies whether to route the file after closing it.
Zero if the function has been called successfully; non-zero
            if the function could not be called.
            See Error codes for a list
            of return values.
See the Microsoft Excel on-line Help for full details about
            this function.
Header: xlfuncs.h