如何在Xamarin.Forms中对Horizo​​ntalListView进行ItemClick

Question

https://www.nuget.org/packages/HorizontalListView1.1/

我使用了上面的链接并实现了水平列表。列表即将到来，它正在水平滚动。但是，对于项目点击，我使用了两个属性：

1. 的SelectedItem
2. SelectedItemChanged

但是，我仍然没有得到如何在这里做物品点击事件。

见下面的代码：

XAML：

<ScrollView  Orientation="Horizontal" ><StackLayout Orientation="Horizontal">
 <Controls:HorizontalListView x:Name="packages_listname" ListOrientation="Horizontal"  >
      <Controls:HorizontalListView.ItemTemplate SelectedItemChanged="Item_Changes">
        <DataTemplate>
           <Grid Grid.ColumnSpacing="0">
               <Grid.RowDefinitions>
                 <RowDefinition Height="Auto"/>
                </Grid.RowDefinitions>
                 <StackLayout Orientation="Horizontal"  Grid.Row="0" BackgroundColor="#282C2B" HeightRequest="60" Spacing="0" Padding="0" Margin="0">
                  <Label Text="{Binding Package_Name}" HorizontalTextAlignment="Start" VerticalTextAlignment="Center" TextColor="White" Margin="0"/>
                   </StackLayout>
                  </Grid>
               </DataTemplate>
              </Controls:HorizontalListView.ItemTemplate>
            </Controls:HorizontalListView>
             </StackLayout>
        </ScrollView>
      </StackLayout>

Code.Cs：

packages_listname.ItemsSource = packageslist;
public void Item_Changes(object sender, EventArgs e){
    // var obj = ((HorizontalListView)sender).SelectedItem as PackagesModelClass;
    var obj = packages_listname.SelectedItem as PackagesModelClass;

        switch (obj.Package_Name)
        {
            case "Corporate":
                list_of_corporate.ItemsSource = GetData("Corporate");

                break;
            case "ValueAddGrid":
                list_of_corporate.ItemsSource = GetData("ValueAddGrid");
                break;
            case "UtilityGrid":
                list_of_corporate.ItemsSource = GetData("UtilityGrid");
                break;
        }
    }