对于必须是基本语言问题的一些帮助,我将不胜感激,但我找不到答案。这是一个 Windows 8 商店应用程序,但可以是任何 C# XAML。我有一个包含两个项目的 clsRecord(如下): 我的问题是 SET 只调用名称。它不会被对象 NumQuestions 调用。我部分理解这是因为调用函数正在使用 GET 获取对对象的引用。解决此问题的正确方法是什么,因此它也称为 SET?谢谢你的帮助。
公共类用户记录:INotifyPropertyChanged
{
public UserRecord()
{
_NumQuestions = new Collection<int>();
}
private string _Name;
public string Name
{
get
{
return _Name;
}
set
{
if (value != _Name)
{
_Name = value;
NotifyPropertyChanged("Name");
}
}
}
private Collection<int> _NumQuestions;
public Collection<int> NumQuestions
{
get
{
return _NumQuestions;
}
set // this never gets called
{
if (value != _NumQuestions)
{
_NumQuestions = value;
NotifyPropertyChanged("NumQuestions");
}
}
}
etc with the notify ...
让另一个班级创建上述列表
public class UserRecords : INotifyPropertyChanged
{
public ObservableCollection<UserRecord> List { get; set; }
public UserRecords()
{
List = new ObservableCollection<UserRecord>();
}
public void ClearCurrentUserScore()
{
int i;
for (i = 0; i < List[CurrentUserIndex].NumQuestions.Count; i++)
{
List[CurrentUserIndex].NumQuestions[i] = i; // only GET is called
List[CurrentUserIndex].Name = "X"; // SET is called as expected
}
}