Changes the active window from maximized or minimized size to its previous size
[C++]
static int WindowRestore(
   const char* window_text = 0
);
Window_text specifies which window to switch to and restore.
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