BrnPortraitRadioGroupOnChanged typedef

BrnPortraitRadioGroupOnChanged = void Function(BrnPortraitRadioGroupOption? oldStr, BrnPortraitRadioGroupOption newStr)

备选项点击时的回调。oldStr 旧的选项，如果初始没有选中项，该参数为null，newStr 新选中的选项。

Implementation

typedef BrnPortraitRadioGroupOnChanged = void Function(
    BrnPortraitRadioGroupOption? oldStr, BrnPortraitRadioGroupOption newStr);