Returns a read-only MfNumberFormatInfo wrapper.
OutputVar := instance.ReadOnly()
Returns a read-only MfNumberFormatInfo wrapper.
nfi
The MfNumberFormatInfo to wrap.
Returns a read-only MfNumberFormatInfo wrapper around nfi.
Throws MfArgumentNullException if nfi is null.
Throws MfArgumentException if nfi is not MfNumberFormatInfo instance.