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public event PropertyChangedEventHandler PropertyChange;
改为:
public event PropertyChangedEventHandler PropertyChanged;
然后在属性更改之后(一定是之后)触发这个事件即可:
public string UserName {
get { return _userName; }
set
{
_userName = value;
NotifyPropertyChanged("UserName");
}
}
ps:属性和方法名首字母要大写追问
是这样吗? 用FirstListBox.Items.Remove(n); 删除还是报Operation not supported on read-only collection 错误!