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我正在玩Windows Phone Toolkit中的扩展控件（我正在使用它用于wp7）的一个示例。如何使内容隐藏在扩展器中Windows Phone控件
当我加载了精简版的一切似乎扩大。当我点击顾客比萨或2时什么也没有发生。我希望子物品被折叠，但我不知道如何。
<phone:PhoneApplicationPage
x:Class="ExpanderViewSample.MainPage"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:toolkit="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone.Controls.Toolkit"
mc:Ignorable="d" d:DesignWidth="480" d:DesignHeight="768"
FontFamily="{StaticResource PhoneFontFamilyNormal}"
FontSize="{StaticResource PhoneFontSizeNormal}"
Foreground="{StaticResource PhoneForegroundBrush}"
SupportedOrientations="Portrait" Orientation="Portrait"
shell:SystemTray.IsVisible="True">
<phone:PhoneApplicationPage.Resources>
<toolkit:RelativeTimeConverter x:Key="RelativeTimeConverter"/>
<DataTemplate x:Key="CustomHeaderTemplate">
<StackPanel Orientation="Horizontal">
<Image Source="{Binding Image}" Stretch="None"/>
<TextBlock Text="{Binding Name}"
FontSize="{StaticResource PhoneFontSizeExtraLarge}"
FontFamily="{StaticResource PhoneFontFamilySemiLight}"/>
</StackPanel>
</DataTemplate>
<DataTemplate x:Key="CustomExpanderTemplate">
<StackPanel Orientation="Horizontal">
<Image Source="{Binding Image}" Stretch="None"/>
<TextBlock Foreground="{StaticResource PhoneSubtleBrush}" VerticalAlignment="Center"
FontSize="{StaticResource PhoneFontSizeNormal}">
<TextBlock.Text>
<Binding Path="DateAdded" Converter="{StaticResource RelativeTimeConverter}" StringFormat="Date added: {0}" />
</TextBlock.Text>
</TextBlock>
</StackPanel>
</DataTemplate>
</phone:PhoneApplicationPage.Resources>
<!--LayoutRoot is the root grid where all page content is placed-->
<Grid x:Name="LayoutRoot" Background="Transparent">
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
<RowDefinition Height="*"/>
</Grid.RowDefinitions>
<!--TitlePanel contains the name of the application and page title-->
<StackPanel x:Name="TitlePanel" Grid.Row="0" Margin="12,17,0,28">
<TextBlock x:Name="ApplicationTitle" Text="WindowsPhoneGeek.com" Style="{StaticResource PhoneTextNormalStyle}"/>
<TextBlock x:Name="PageTitle" Text="ExpanderViewSample" Margin="9,-7,0,0" Style="{StaticResource PhoneTextTitle2Style}"/>
</StackPanel>
<!--ContentPanel - place additional content here-->
<Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0">
<Grid.RowDefinitions>
<RowDefinition Height="*" />
<RowDefinition Height="Auto" />
</Grid.RowDefinitions>
<ListBox Grid.Row="0" x:Name="listBox">
<ListBox.ItemContainerStyle>
<Style TargetType="ListBoxItem">
<Setter Property="HorizontalContentAlignment" Value="Stretch"/>
</Style>
</ListBox.ItemContainerStyle>
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<StackPanel/>
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
<ListBox.ItemTemplate>
<DataTemplate>
<toolkit:ExpanderView Header="{Binding}" Expander="{Binding}"
IsExpanded="False"
HeaderTemplate="{StaticResource CustomHeaderTemplate}"
ExpanderTemplate="{StaticResource CustomExpanderTemplate}"></toolkit:ExpanderView>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
</Grid>
</Grid>
</phone:PhoneApplicationPage>
public partial class MainPage : PhoneApplicationPage
{
// Constructor
public MainPage()
{
InitializeComponent();
List<CustomPizza> customPizzas = new List<CustomPizza>()
{
new CustomPizza()
{
Name = "Custom Pizza 1",
IsExpanded = false,
DateAdded = new DateTime(2010, 7, 8),
Image="Images/pizza1.png"
},
new CustomPizza() { Name = "Custom Pizza 2", DateAdded = new DateTime(2011, 2, 10), Image="Images/pizza2.png"}
};
this.listBox.ItemsSource = customPizzas;
// Important properties:
// IsExpanded
// Header
// Expander
// ItemsSource
// HeaderTemplate
// ExpanderTemplate
// ItemTemplate
// NonExpandableHeader
// IsNonExpandable
// NonExpandableHeaderTemplate
}
}
public class CustomPizza : INotifyPropertyChanged
{
private bool isExpanded;
public string Image
{
get;
set;
}
public string Name
{
get;
set;
}
public DateTime DateAdded
{
get;
set;
}
public bool IsExpanded
{
get
{
return this.isExpanded;
}
set
{
if (this.isExpanded != value)
{
this.isExpanded = value;
this.OnPropertyChanged("IsExpanded");
}
}
}
public event PropertyChangedEventHandler PropertyChanged;
protected void OnPropertyChanged(string propertyName)
{
PropertyChangedEventHandler handler = this.PropertyChanged;
if (handler != null)
{
handler(this, new PropertyChangedEventArgs(propertyName));
}
}
}
我还没有得到这究竟是
ExpanderView Header="{Binding}" Expander="{Binding}"
我不明白什么是“结合”是指太。它似乎知道要使用哪些数据，但我不知道它是如何知道的。