Visual.AnchorPoint Proprietà

public:
 property float2 AnchorPoint { float2 get(); void set(float2 value); };

float2 AnchorPoint();

void AnchorPoint(float2 value);

public Vector2 AnchorPoint { get; set; }

var vector2 = visual.anchorPoint;
visual.anchorPoint = vector2;

Public Property AnchorPoint As Vector2

Valore della proprietà

Punto dell'oggetto visivo da posizionare in corrispondenza dell'offset dell'oggetto visivo. Il valore viene normalizzato rispetto alle dimensioni dell'oggetto visivo.

Requisiti Windows

Esempio

using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Composition;
using Windows.UI.Xaml.Hosting;
using System.Numerics;

namespace AnchorPointSample
{
    /// <summary>
    /// Using AnchorPoint to Center a Rectangle
    /// </summary>
    public sealed partial class MainPage : Page
    {
        public MainPage()
        {
            this.InitializeComponent();
            this.Loaded += MainPage_Loaded;
        }

        private void MainPage_Loaded(object sender, RoutedEventArgs e)
        {
            // Get the backing visual for the "CenteredElement" XAML Element
            Visual root = ElementCompositionPreview.GetElementVisual(CenteredElement);
            Compositor compositor = root.Compositor;

            // Create a solid color visual
            SpriteVisual mainVisual = compositor.CreateSpriteVisual();
            mainVisual.Size = new Vector2(200, 200);
            mainVisual.Brush = compositor.CreateColorBrush(Windows.UI.Colors.Blue);

            // Set the anchor point to center the rectangle
            mainVisual.AnchorPoint = new Vector2(0.5f, 0.5f);

            // Insert the rectangle as a child of the XAML element
            ElementCompositionPreview.SetElementChildVisual(CenteredElement, mainVisual);
        }
    }
}

Si applica a