wpf实现仿苹果水平滑动效果

cs文件源码:

using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Windows;using System.Windows.Controls;using System.Windows.Data;using System.Windows.Documents;using System.Windows.Input;using System.Windows.Media;using System.Windows.Media.Imaging;using System.Windows.Navigation;using System.Windows.Shapes;using System.Windows.Media.Animation;namespace FlashPrac2{      ///      /// MainWindow.xaml 的交互逻辑      ///      public partial class MainWindow : Window      {            public MainWindow()            {                  InitializeComponent();            }                                                ///            /// 完成缓冲效果            ///            /// 起始位置            /// 目标位置            /// 加速加速度            /// 减速加速度            /// 持续时间            private void DoMove(DependencyProperty dp, double to, double ar, double dr, double duration)            {                  DoubleAnimation doubleAnimation = new DoubleAnimation();//创建双精度动画对象                                    doubleAnimation.To = to;//设置动画的结束值                  doubleAnimation.Duration = TimeSpan.FromSeconds(duration);//设置动画时间线长度                  doubleAnimation.AccelerationRatio = ar;//动画加速                  doubleAnimation.DecelerationRatio = dr;//动画减速                  doubleAnimation.FillBehavior = FillBehavior.HoldEnd;//设置动画完成后执行的操作                                    grdTransfer.BeginAnimation(dp, doubleAnimation);//设置动画应用的属性并启动动画            }                                                private double pressedX;                        ///            /// 点击鼠标，记录鼠标单击的位置            ///            ///            ///            private void grdTest_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)            {                  ////获得鼠标点击的X坐标                  pressedX = e.GetPosition(cvsGround).X;                              }                                                ////鼠标释放时的操作                        private void grdTest_PreviewMouseLeftButtonUp(object sender, MouseButtonEventArgs e)            {                  double transferLeft = Convert.ToDouble(grdTransfer.GetValue(Canvas.LeftProperty));                  btn1.Content = transferLeft.ToString();                  if (transferLeft > 0)                  {                        transferLeft = 0;                  }                  if (this.Width - transferLeft > cvsGround.Width)                  {                        transferLeft = this.Width - cvsGround.Width;                  }                                    ////获得鼠标释放时的位置                                    double releasedX = e.GetPosition(cvsGround).X;                                    ////获得距离间隔                  double interval = releasedX - pressedX;                  pressedX = 0;                  ////计算出传送带要的目标位置                  double to = transferLeft + interval;                  ////移动                                    btn1.Content = transferLeft.ToString() + " " + to.ToString();                  // btn1.Content = transferLeft.ToString() + " " + to.ToString();                  DoMove(Canvas.LeftProperty, to, 0.1, 0.5, 0.5);            }                  }}

xaml文件源码

<Window x:Class="FlashPrac2.MainWindow"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"Title="MainWindow" Height="350" Width="525"><Canvas Width="1500" x:Name="cvsGround"><StackPanel Width="1500" Height="525" x:Name="grdTransfer" Canvas.Left="0"Background="SkyBlue" PreviewMouseLeftButtonDown="grdTest_PreviewMouseLeftButtonDown"PreviewMouseLeftButtonUp="grdTest_PreviewMouseLeftButtonUp" Orientation="Horizontal"><Button Width="300" Height="525" x:Name="btn1" Background="SkyBlue" /><Button Width="300" Height="525" x:Name="btn2" Background="Orange" /><Button Width="300" Height="525" x:Name="btn3" Background="Red" /><Button Width="300" Height="525" x:Name="btn4" Background="Green" /><Button Width="300" Height="525" x:Name="btn5" Background="Yellow" /></StackPanel></Canvas></Window>