我想更改ItemsPanelTemplate内的StackPanel的方向。要更改Orientation,我已经实现了一个属性。是否有任何方法可以更改StackPanel的方向。我尝试了以下代码。.但是没有成功。
<Setter Property="ItemsPanel">
<Setter.Value>
<ItemsPanelTemplate>
<StackPanel Orientation="{Binding MyOrientation,RelativeSource={RelativeSource TemplatedParent}}" HorizontalAlignment="Left" />
</ItemsPanelTemplate>
</Setter.Value>
</Setter>
最佳答案
使用{RelativeSource AncestorType = YourItemsControlType}
MyItemsControl.cs:
namespace MyNamespace.Controls
{
public partial class MyItemsControl : ItemsControl
{
public static readonly DependencyProperty MyOrientationProperty =
DependencyProperty.Register(
"MyOrientation",
typeof(Orientation),
typeof(MyItemsControl));
public Orientation MyOrientation
{
get { return (Orientation)GetValue(MyOrientationProperty); }
set { SetValue(MyOrientationProperty, value); }
}
}
}
MyItemsControls.xaml
<Style xmlns:source="clr-namespace:MyNamespace.Controls" TargetType="source:MyItemsControl">
<Setter Property="ItemsPanel">
<Setter.Value>
<ItemsPanelTemplate>
<StackPanel
Orientation="{Binding Orientation,
RelativeSource={
RelativeSource AncestorType=source:MyItemsControl
}
}"
HorizontalAlignment="Left" />
</ItemsPanelTemplate>
</Setter.Value>
</Setter>
</Style>
参考:http://msdn.microsoft.com/en-us/library/ms743599%28v=vs.110%29.aspx
关于c# - 在Windows Phone中从父项绑定(bind)到ItemsPanelTemplate内部,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/11307531/