WPF遮蔽层的实现

在一些项目中，难免会有耗时的加载,如果加载时没有提示,给人一种假死的感觉，很不友好，那么现在福利来啦，WPF版的模态窗体，先上效果图

实际效果指针是转动的,话不多说，一大批干货来袭

XMAL的代码

 Window x:Class="ZhiHeng.IntelligentExpress.WpfUI.Views.CoverForm"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         Title="CoverForm"   x:Name="Window"
         Style="{StaticResource WindowsStyle}" Opacity="0.5">
     <Window.Resources>
         <Storyboard x:Key="Storyboard1">
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" RepeatBehavior="Forever" Storyboard.TargetName="ellipse" Storyboard.TargetProperty="(UIElement.Opacity)">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse1">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse2">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse3">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse4">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse5">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse6">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse7">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse8">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse9">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse10">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse11">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse12">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse13">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse14">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse15">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse16">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetProperty="(UIElement.Opacity)" RepeatBehavior="Forever" Storyboard.TargetName="ellipse17">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" RepeatBehavior="Forever" Storyboard.TargetName="border" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[2].(RotateTransform.Angle)">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
             <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" RepeatBehavior="Forever" Storyboard.TargetName="border1" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[2].(RotateTransform.Angle)">
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
                 <SplineDoubleKeyFrame KeyTime=" />
             </DoubleAnimationUsingKeyFrames>
         </Storyboard>
     </Window.Resources>
     <Window.Triggers>
         <EventTrigger RoutedEvent="FrameworkElement.Loaded">
             <BeginStoryboard Storyboard="{StaticResource Storyboard1}" />
         </EventTrigger>
     </Window.Triggers>
     <Grid x:Name="LayoutRoot">
         <Viewbox Width=">
             <Grid HorizontalAlignment=" VerticalAlignment="Center" Width="3.333" Height="3.333" Visibility="Visible">
                 <Ellipse RenderTransformOrigin="0.468,3.443" x:Name="ellipse" Fill="Black" Stroke="{x:Null}"  />
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}"  x:Name="ellipse0" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse1" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse2" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse3">
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse4">
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse5">
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse6" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse7" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse8" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse9" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse10" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse11" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse12" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse13" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse14" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse15" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse16" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.468,3.443" Fill="Black" Stroke="{x:Null}" x:Name="ellipse17" >
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Ellipse RenderTransformOrigin="0.5,0.499" x:Name="ellipse_Copy" Fill="Black" Stroke="{x:Null}" Margin="-0.012,0,0.001,-9.67" VerticalAlignment="Bottom" Height="3.344">
                     <Ellipse.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Ellipse.RenderTransform>
                 </Ellipse>
                 <Border RenderTransformOrigin="0.492,1.006" Margin="1.081,0,1.086,-8.056" x:Name="border" VerticalAlignment="Bottom" Height="8.622" Background="Black" CornerRadius="1,1,0,0">
                     <Border.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Border.RenderTransform>
                 </Border>
                 <Border Height="4.994" Background="Black" CornerRadius="1,1,0,0" RenderTransformOrigin="0.496,1.001" Margin="0.705,0,0.714,-8.058" x:Name="border1" VerticalAlignment="Bottom">
                     <Border.RenderTransform>
                         <TransformGroup>
                             <ScaleTransform ScaleX=" />
                             <SkewTransform AngleX=" />
                             <RotateTransform Angle=" />
                             <TranslateTransform X=" />
                         </TransformGroup>
                     </Border.RenderTransform>
                 </Border>
             </Grid>
         </Viewbox>
         <Label Content=" Foreground="Orange" HorizontalAlignment="Left" Margin="396,668,0,0" VerticalAlignment="Top" RenderTransformOrigin="0.274,0.462"/>
     </Grid>
 </Window>

后台C#代码

  public partial class CoverForm : Window
     {
         public CoverForm(Action workAction)
         {
             InitializeComponent();
             this.workAction = workAction;
             System.Threading.Thread t = new System.Threading.Thread(ExecWorkAction);
             t.IsBackground = true;
             t.Start();
         }
         private Action workAction = null;
         private void ExecWorkAction()
         {
             try
             {
                 var workTask = new Task(workAction);
                 workTask.Start();
                 Task.WaitAll(workTask);
             }
             finally
             {
                 this.Dispatcher.Invoke(new Action(() => { this.Close(); }));
             }
         }
     }

调用的代码

  new CoverForm(() => {耗时的代码 }); }).Show();

有需要的尽管拿去吧，要问我是谁，请叫我是雷锋。

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