数据绑定时获取Listbox的ItemContainer

protected override void PrepareContainerForItemOverride(DependencyObject element, object item)
    {
        base.PrepareContainerForItemOverride(element, item);
        var el = element as FrameworkElement;
        if (el != null)
        {
            // here is the elements's panel:
            _itemsHost = el.Parent as Panel;

            // item is original item inserted in Items or ItemsSource
            // we can save the mapping between items and FrameworElements:
            _elementMapping[item] = el;
        }
    }

这有点老套,但效果很好。

如果要向列表框添加非UI元素(例如字符串或非UI数据对象),那么这可能相当困难。但是,如果在将项添加到列表框之前将其包装在某种FrameworkElement派生对象中,则可以使用TransformToVisual获取相对大小,并使用Height和Width设置项的大小。

一般来说,您可以像下面这样在ContentControl中包装对象。而不是:

_ListBox.Items.Add(obj0);
_ListBox.Items.Add(obj1);

这样做:

_ListBox.Items.Add(new ContentControl { Content = obj0 });
_ListBox.Items.Add(new ContentControl { Content = obj1 });

<TextBlock YourTargetProperty="{Binding RelativeSource={RelativeSource FindAncestor,AncestorType={x:Type ListBoxItem}}, Mode=OneWay, Path=YourSourceProperty}" />

我找到了这个解决方案 here .

              <ListBox ItemsSource="{Binding Properties}">
                 <ListBox.ItemTemplate>
                    <DataTemplate>
                       <TextBlock Text="{Binding IsSelected, RelativeSource={RelativeSource AncestorType=ListBoxItem}}" />
                    </DataTemplate>
                 </ListBox.ItemTemplate>