前台
<ListBox x:Name="listbox1" Margin="6">
<ListBox.ItemTemplate>
<DataTemplate>
<Grid Margin="15" Tag="{Binding ImageID}"
Tap="Post_Click">
<StackPanel
Orientation="Horizontal">
<Image
Source="{Binding Image}" Width="150" Height="120" Stretch="Fill"/>
<TextBlock Text="{Binding ImageName}" FontSize="30"
TextWrapping="Wrap" Width="300"/>
</StackPanel>
</Grid>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
后台
private T FindFirstElementInVisualTree<T>(DependencyObject
parentElement) where T : DependencyObject
{
var count
= VisualTreeHelper.GetChildrenCount(parentElement);
if (count ==
0)
return null;
for (int i = 0; i < count;
i++)
{
var child =
VisualTreeHelper.GetChild(parentElement, i);
if (child !=
null && child is T)
{
return
(T)child;
}
else
{
var result = FindFirstElementInVisualTree<T>(child);
if (result != null)
return
result;
}
}
return null;
}
需要绑定
private void Post_Click(object sender, System.Windows.Input.GestureEventArgs
e)
{
var selectedIndex = listbox1.SelectedIndex;
ListBoxItem item =
listbox1.ItemContainerGenerator.ContainerFromIndex(selectedIndex) as
ListBoxItem;
StackPanel border =
FindFirstElementInVisualTree<StackPanel>(item);
Image img =
FindFirstElementInVisualTree<Image>(item);
TextBlock
txtBlock = FindFirstElementInVisualTree<TextBlock>(item);
MessageBox.Show(txtBlock.Text.ToString());
}