C# 来自MVVM的CollectionViewSource

如果我有这样的想法：

<UserControl.Resources>
        <app:People x:Key="vm"></app:People> <--nvm this for now...

        <CollectionViewSource   x:Name="cvs"
                                IsSourceGrouped="True"
                                ItemsPath="Items" />
    </UserControl.Resources>

这不起作用，因为此处无法解析CV。

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希望我在这里足够清楚。谢谢大家!

你有没有考虑过把简历发给ctor？谢谢！我不知道如何将CV传递给ctor，您能告诉我如何传递吗？@artm:CollectionViewSource是ICollectionView的XAML代理，不应该在视图模型中使用它。@丹尼斯我想的是类似于public PeopleVmICollectionView cvs的东西：这个{cvs.Source=groupedPeople；}不幸的是，我无法以这种方式访问Source。。。

private IList<Person> people;
private IList<Group<object, Person>> groupedPeople;

public People()
{
    this.InitializeComponent();
    people = Person.CreatePeople(200).ToList();
    groupedPeople = (from person in people
                     group person by person.City into g
                     orderby g.Key
                     select new Group<object, Person>
                     {
                         Key = g.Key.ToString(),
                         Items = g.ToList()
                     }).ToList();
    cvs.Source = groupedPeople;
}

public PeopleVm()
        {
            people = Person.CreatePeople(200).ToList();
            groupedPeople = (from person in people
                             group person by person.City into g
                             orderby g.Key
                             select new Group<object, Person>
                             {
                                 Key = g.Key.ToString(),
                                 Items = g.ToList()
                             }).ToList();
            cvs.Source = groupedPeople;
        }