48 lines
1.5 KiB
C#
48 lines
1.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Controls;
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using System.Windows.Documents;
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using System.Windows.Media;
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using System.Windows;
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namespace Future.Contract
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{
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public class BubbleAdorner : Adorner
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{
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private readonly VisualCollection _visuals;
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private readonly Border _bubble;
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public BubbleAdorner(UIElement adornedElement) : base(adornedElement)
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{
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_visuals = new VisualCollection(this);
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_bubble = new Border
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{
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Background = Brushes.LightYellow,
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BorderBrush = Brushes.Black,
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BorderThickness = new Thickness(1),
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CornerRadius = new CornerRadius(2),
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Padding = new Thickness(5),
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Child = new TextBlock { Text = "气泡提示" }
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};
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_visuals.Add(_bubble);
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}
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protected override int VisualChildrenCount => _visuals.Count;
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protected override Visual GetVisualChild(int index) => _visuals[index];
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protected override Size ArrangeOverride(Size finalSize)
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{
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var bubbleSize = _bubble.DesiredSize;
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bubbleSize = _bubble.RenderSize;
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var location = new Point(finalSize.Width + 10, (finalSize.Height - bubbleSize.Height) / 2);
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_bubble.Arrange(new Rect(location, DesiredSize));
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return finalSize;
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}
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}
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}
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