github/tai

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Tai · Windows 软件与网站使用时长统计。上游 Planshit/Tai 的源码镜像，非灵栈原创；MIT 许可。来源：https://github.com/Planshit/Tai 。本次为手动同步，暂不提供安装包。

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Placeholder.cs

1	using System;
2	using System.Collections.Generic;
3	using System.Diagnostics;
4	using System.Text;
5	using System.Windows;
6	using System.Windows.Controls;
7	using System.Windows.Media;
8	using System.Windows.Media.Animation;
9
10	namespace UI.Controls.Base
11	{
12	public class Placeholder : Control
13	{
14	public CornerRadius CornerRadius
15	{
16	get { return (CornerRadius)GetValue(CornerRadiusProperty); }
17	set { SetValue(CornerRadiusProperty, value); }
18	}
19	public static readonly DependencyProperty CornerRadiusProperty = DependencyProperty.Register("CornerRadius",
20	typeof(CornerRadius),
21	typeof(Placeholder));
22
23	private Border Flash;
24	private bool IsAddEvent = false;
25	public Placeholder()
26	{
27	DefaultStyleKey = typeof(Placeholder);
28	}
29
30
31
32	public override void OnApplyTemplate()
33	{
34	base.OnApplyTemplate();
35	Flash = GetTemplateChild("Flash") as Border;
36	if (!IsAddEvent)
37	{
38	Loaded += Placeholder_Loaded;
39	}
40	}
41
42	private void Placeholder_Loaded(object sender, RoutedEventArgs e)
43	{
44	Loaded -= Placeholder_Loaded;
45
46	Animation();
47	}
48
49	private void Animation()
50	{
51	Storyboard storyboard = new Storyboard();
52	DoubleAnimation scrollAnimation = new DoubleAnimation();
53	scrollAnimation.From = -10;
54	scrollAnimation.To = ActualWidth;
55
56	scrollAnimation.EasingFunction = new SineEase() { EasingMode = EasingMode.EaseIn };
57	Storyboard.SetTarget(scrollAnimation, Flash);
58	Storyboard.SetTargetProperty(scrollAnimation, new PropertyPath("RenderTransform.Children[0].X"));
59	scrollAnimation.AutoReverse = true;
60	scrollAnimation.RepeatBehavior = RepeatBehavior.Forever;
61	scrollAnimation.Duration = new Duration(TimeSpan.FromSeconds(1));
62
63	storyboard.Children.Add(scrollAnimation);
64
65	storyboard.Begin();
66
67	IsAddEvent = true;
68	}
69
70	}
71	}