下面是你想要的基本实现。
使用此ListView的XAML:
<ListView SelectionChanged="ListView_SelectionChanged">
<ListView.ItemTemplate>
<DataTemplate>
<StackPanel>
<Panel.Resources>
<Style x:Name="MainAreaStyle" TargetType="Image">
<Setter Property="Width" Value="300" />
<Setter Property="Margin" Value="0" />
</Style>
<Style x:Name="DetailAreaStyle" TargetType="Rectangle">
<Setter Property="Height" Value="150" />
<Setter Property="Height" Value="300" />
<Setter Property="Margin" Value="0,0,0,8" />
<Setter Property="Visibility" Value="Collapsed" />
</Style>
</Panel.Resources>
<Image Source="http://i.stack.imgur.com/L5sb9.png" Style="{StaticResource MainAreaStyle}" />
<Rectangle x:Name="DetailArea" Fill="DarkBlue" Style="{StaticResource DetailAreaStyle}" />
</StackPanel>
</DataTemplate>
</ListView.ItemTemplate>
<x:String>One</x:String>
<x:String>Two</x:String>
<x:String>Three</x:String>
</ListView>
使用此代码隐藏:
UIElement previous = null;
private void ListView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (previous != null) previous.Visibility = Visibility.Collapsed;
if (e.AddedItems.Any())
{
var container = (sender as ListView).ContainerFromItem(e.AddedItems.First());
(previous = Child<Rectangle>(container, "DetailArea")).Visibility = Visibility.Visible;
}
}
public T Child<T>(DependencyObject parent, string name) where T : FrameworkElement
{
return Children(parent).OfType<T>().FirstOrDefault(x => x.Name == name);
}
public List<DependencyObject> Children(DependencyObject parent)
{
var list = new List<DependencyObject>();
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(parent); i++)
{
var child = VisualTreeHelper.GetChild(parent, i) as DependencyObject;
if (child != null)
{
list.Add(child);
list.AddRange(Children(child));
}
}
return list;
}
是这样的:
有意义吗?当然还有更多事情要做。但是这应该让你开始。
祝你好运。
我真的不明白你的需要。但我会尝试: 当用户点击按钮时,使用按钮和弹出显示带有预定义内容的弹出窗口? – thang2410199