对后台代码写卡通 出现的一些怪异行为 的总结

 1 private Storyboard m_sb;
 2 
 3         private void Window_Loaded(object sender, RoutedEventArgs e)
 4         {
 5             m_sb = Test();
 6         }
 7 
 8         private void Button_Click(object sender, RoutedEventArgs e)
 9         {
10             m_sb.Remove(this);
11         }
12 
13         private Storyboard Test()
14         {
15             Rectangle rec = new Rectangle() { Width = 50, Height = 50 };
16             rec.Fill = new SolidColorBrush(Color.FromRgb(255, 0, 0));
17             Layout.Children.Add(rec);
18 
19             DoubleAnimation da = new DoubleAnimation();
20             da.Duration = new Duration(TimeSpan.FromSeconds(2));
21             da.From = 200;
22             da.To = 50;
23             da.RepeatBehavior = RepeatBehavior.Forever;
24             da.AutoReverse = true;
25 
26             //注册名称方式
27             //可以动 但Storyboard的Begin()要传一个参数,可以传this或父级 如需做后续操作 需要把Begin()的第二个参数设置为true
28             TranslateTransform tTf = new TranslateTransform();
29             rec.RenderTransform = tTf;
30             //名称不能以数字开头,不能包含"-"
31             string name = "tTf" + Guid.NewGuid().ToString().Replace("-", "");
32             this.RegisterName(name, tTf);
33             Storyboard.SetTargetName(da, name);
34             Storyboard.SetTargetProperty(da, new PropertyPath(TranslateTransform.XProperty));
35             Storyboard sb = new Storyboard();
36             sb.Completed += sb_Completed;
37             sb.Children.Add(da);
38             sb.Begin(this, true);
39             return sb;
40 
41             ////1.改变对象的值类型的依赖属性
42             ////有效
43             //Storyboard.SetTarget(da, rec);//通过名称注册换成通过对象注册
44             //Storyboard.SetTargetProperty(da, new PropertyPath(Rectangle.WidthProperty));
45             ////Storyboard
46             //Storyboard sb = new Storyboard();
47             //sb.Completed += sb_Completed;
48             //sb.Children.Add(da);
49             //sb.Begin();
50             //return sb;
51 
52             ////2.改变对象的引用类型的依赖属性
53             //TranslateTransform tTf = new TranslateTransform();
54             //rec.RenderTransform = tTf;
55             //////无效
56             ////Storyboard.SetTarget(da, tTf);//转换
57             ////Storyboard.SetTargetProperty(da, new PropertyPath(TranslateTransform.XProperty));//不按属性路径语法
58             //////无效
59             ////Storyboard.SetTarget(da, rec);//矩形
60             ////Storyboard.SetTargetProperty(da, new PropertyPath(TranslateTransform.XProperty));//不按属性路径语法
61             ////有效
62             //Storyboard.SetTarget(da, rec);//矩形
63             //Storyboard.SetTargetProperty(da, new PropertyPath("(Rectangle.RenderTransform).(TranslateTransform.X)"));//按属性路径语法
64             ////Storyboard
65             //Storyboard sb = new Storyboard();
66             //sb.Completed += sb_Completed;
67             //sb.Children.Add(da);
68             //sb.Begin();
69             //return sb;
70 
71             ////3.转换组,属性路径语法
72             //TranslateTransform tTf = new TranslateTransform();
73             //ScaleTransform sTf = new ScaleTransform();
74             //TransformGroup tfg = new TransformGroup();
75             //tfg.Children.Add(tTf);
76             //tfg.Children.Add(sTf);
77             //rec.RenderTransform = tfg;
78             ////有效
79             //Storyboard.SetTarget(da, rec);//矩形
80             //Storyboard.SetTargetProperty(da, new PropertyPath("(Rectangle.RenderTransform).Children[0].(TranslateTransform.X)"));//按属性路径语法
81             ////Storyboard
82             //Storyboard sb = new Storyboard();
83             //sb.Completed += sb_Completed;
84             //sb.Children.Add(da);
85             //sb.Begin();
86             //return sb;
87         }
88 
89         void sb_Completed(object sender, EventArgs e)
90         {
91 
92         }