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WPF 一个弧形手势提示动画

关键词:WPF弧形手势提示动画  阅读(1343) 赞(11)

[摘要]本文是对WPF 一个弧形手势提示动画的讲解,对学习C#编程技术有所帮助,与大家分享。
这是一个操作提示动画,一个小手在屏幕上按照一个弧形来回运动

<Window x:Class="LZRichMediaWall.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:LocWindow="clr-namespace:LZRichMediaWall.UIControls" xmlns:childControls="clr-namespace:LZRichMediaWall.UIControls.ChildControls" Title="MainWindow" WindowState="Maximized" AllowsTransparency="True" WindowStyle="None"> <Window.Resources> <PathGeometry x:Key="path"> <PathFigure StartPoint="0,100"> <PathFigure.Segments> <PathSegmentCollection> <ArcSegment Size="100,80" IsLargeArc="True" SweepDirection="CounterClockwise" Point="600,100" /> </PathSegmentCollection> </PathFigure.Segments> </PathFigure> </PathGeometry> </Window.Resources> <Window.Triggers> <EventTrigger RoutedEvent="Window.Loaded"> <EventTrigger.Actions> <BeginStoryboard> <Storyboard> <DoubleAnimationUsingPath Storyboard.TargetName="tipGd" Storyboard.TargetProperty="(Canvas.Left)" PathGeometry="{StaticResource path}" Duration="0:0:5" RepeatBehavior="Forever" Source="X" AutoReverse="True" /> <DoubleAnimationUsingPath Storyboard.TargetName="tipGd" Storyboard.TargetProperty="(Canvas.Top)" PathGeometry="{StaticResource path}" Duration="0:0:5" RepeatBehavior="Forever" Source="Y" AutoReverse="True" /> </Storyboard> </BeginStoryboard> </EventTrigger.Actions> </EventTrigger> </Window.Triggers> <Grid x:Name="main_Gd" Background="Black"> <Canvas x:Name="animat_Cvs" VerticalAlignment="Bottom" HorizontalAlignment="Center" Margin="-650,0,0,500" Visibility="Collapsed"> <Path Stroke="Transparent" StrokeThickness="0" Data="{StaticResource path}" Canvas.Top="10" Canvas.Left="10"> </Path> <Grid x:Name="tipGd" Height="63" Width="89" Visibility="Visible" MouseLeftButtonDown="TipGd_OnMouseLeftButtonDown"> <!--<Image Height="55" Width="89" Margin="0,-100,-30,0" Source="/LZRichMediaWall;component/Images/点我.png"></Image>--> <!--<Image x:Name="quan" Height="50" Width="50" Source="/LZRichMediaWall;component/Images/圈.png"> <Image.Triggers> <EventTrigger RoutedEvent="UserControl.Loaded"> <BeginStoryboard> <Storyboard x:Name="storyB" RepeatBehavior="Forever" AutoReverse="True"> <DoubleAnimation From="0.0" To="1.0" Duration="0:0:0.5" Storyboard.TargetName="quan" Storyboard.TargetProperty="Opacity"/> </Storyboard> </BeginStoryboard> </EventTrigger> </Image.Triggers> </Image>--> <Image x:Name="show" Height="63" Width="76" Margin="0,0,-5,-60" Source="/LZRichMediaWall;component/Images/手.png"></Image> </Grid> <Label x:Name="textTip" Height="50" Width="300" Content="单 指 滑 动" FontSize="30" Foreground="White" VerticalContentAlignment="Center" HorizontalContentAlignment="Center" Canvas.Left="200" Canvas.Top="320"> <Label.Triggers> <EventTrigger RoutedEvent="UserControl.Loaded"> <BeginStoryboard> <Storyboard x:Name="storyB" RepeatBehavior="Forever" AutoReverse="True"> <DoubleAnimation From="0.0" To="1.0" Duration="0:0:1" Storyboard.TargetName="textTip" Storyboard.TargetProperty="Opacity"/> </Storyboard> </BeginStoryboard> </EventTrigger> </Label.Triggers> </Label> </Canvas> </Grid> </Window>


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