Creates a copy of this box constraints but with the given fields replaced with the new values.
Source
BoxConstraints copyWith({
double minWidth,
double maxWidth,
double minHeight,
double maxHeight
}) {
return new BoxConstraints(
minWidth: minWidth ?? this.minWidth,
maxWidth: maxWidth ?? this.maxWidth,
minHeight: minHeight ?? this.minHeight,
maxHeight: maxHeight ?? this.maxHeight
);
}