'Load a timezone name from a DLL offset (integer).
>>> from dateutil.tzwin import tzres
>>> tzr = tzres()
>>> print(tzr.load_name(112))
\'Eastern Standard Time\'
:param offset:
A positive integer value referring to a string from the tzres dll.
..note:
Offsets found in the registry are generally of the form
`@tzres.dll,-114`. The offset in this case if 114, not -114.'

def load_name(self, offset):

    resource = self.p_wchar()
    lpBuffer = ctypes.cast(ctypes.byref(resource), wintypes.LPWSTR)
    nchar = self.LoadStringW(self._tzres._handle, offset, lpBuffer, 0)
    return resource[:nchar]
