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  • WPF TabControl 模拟动画

      1 using System;
      2 using System.Threading;
      3 using System.Windows;
      4 using System.Windows.Controls;
      5 using WangCai.Common;
      6 
      7 namespace WangCai.Controls
      8 {
      9 
     10     public class MyTabControl : TabControl
     11     {
     12 
     13         Timer t = null;
     14         private int left = 0;
     15         private int AnimationIndex = 1;
     16         protected override void OnSelectionChanged(SelectionChangedEventArgs e)
     17         {
     18             Action a = () =>
     19             {
     20                 try
     21                 {
     22                     AnimationIndex++;
     23                     var control = e.Source as MyTabControl;
     24                     if (control == null) return;
     25                     base.OnSelectionChanged(e);
     26                     if (AnimationIndex % 2 == 0)
     27                     {
     28                         left = -100;
     29                     }
     30                     else
     31                     {
     32                         left = 100;
     33                     }
     34 
     35                     var selectItem = control.SelectedContent as ScrollViewer;
     36                     if (selectItem == null)
     37                     {
     38 
     39                         var selectItem_2 = control.SelectedContent as Grid;
     40                         if (selectItem_2 == null)
     41                         {
     42                             var selectItem_3 = control.SelectedContent as StackPanel;
     43                             if (selectItem_3 == null) return;
     44                             selectItem_3.Visibility = Visibility.Collapsed;
     45                             t = new Timer(Move, selectItem_3, 0, 5);
     46                             return;
     47                         }
     48                         selectItem_2.Visibility = Visibility.Collapsed;
     49                         t = new Timer(Move, selectItem_2, 0, 5);
     50                         return;
     51                     }
     52                     selectItem.Visibility = Visibility.Collapsed;
     53 
     54                     t = new Timer(Move, selectItem, 0, 2);
     55 
     56                 }
     57                 catch (Exception)
     58                 {
     59 
     60                 }
     61             };
     62             this.Dispatcher.BeginInvoke(a);
     63         }
     64 
     65 
     66         public void Move(object o)
     67         {
     68 
     69             Action a = () =>
     70             {
     71                 try
     72                 {
     73                     if (AnimationIndex % 2 == 0)
     74                     {
     75                         left +=6;
     76                         if (left > 5)
     77                         {
     78                             t.Dispose();
     79 
     80                             return;
     81                         }
     82                         AnimationIndex = 0;
     83                     }
     84                     else
     85                     {
     86 
     87                         left -= 6;
     88 
     89                         if (left <= 0)
     90                         {
     91                             t.Dispose();
     92 
     93                             return;
     94                         }
     95                         AnimationIndex = 1;
     96                     }
     97 
     98                     var selectItem = o as ScrollViewer;
     99                     if (selectItem == null)
    100                     {
    101                         var selectItem_2 = o as Grid;
    102                         if (selectItem_2 == null)
    103                         {
    104                             var selectItem_3 = o as StackPanel;
    105                             if (selectItem_3 == null) return;
    106                             selectItem_3.Visibility = Visibility.Visible;
    107                             selectItem_3.Margin = new Thickness(left, 0, 0, 0);
    108 
    109                             return;
    110                         }
    111                         selectItem_2.Visibility = Visibility.Visible;
    112                         selectItem_2.Margin = new Thickness(left, 0, 0, 0);
    113                         return;
    114                     }
    115                     selectItem.Visibility = Visibility.Visible;
    116                     selectItem.Margin = new Thickness(left, 0, 0, 0);
    117                 }
    118                 catch (Exception)
    119                 {
    120 
    121                 }
    122 
    123             };
    124             this.Dispatcher.BeginInvoke(a);
    125         }
    126 
    127 
    128     }
    129 }
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  • 原文地址:https://www.cnblogs.com/gaobing/p/3830275.html
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