摘要: 首先要继承INotifyPropertyChanged 简单方式在赋值的时候调用PropertyChanged namespace WpfApp1 { public class MainViewModel:INotifyPropertyChanged { public MyCommand ShowC 阅读全文
posted @ 2022-09-04 10:31 xxxyz 阅读(145) 评论(0) 推荐(0) 编辑