| 123456789101112131415161718192021222324252627282930 | <UserControl x:Class="Venus_MainPages.Views.OverView"             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"              xmlns:local="clr-namespace:Venus_MainPages.Views"             mc:Ignorable="d"              xmlns:prism="http://prismlibrary.com/"             prism:ViewModelLocator.AutoWireViewModel="True"             xmlns:ctrls="clr-namespace:Venus_Themes.UserControls;assembly=Venus_Themes"             d:DesignHeight="450" d:DesignWidth="800">    <Canvas>        <ctrls:FlowPipeValve Height="10" Name="flv" Canvas.Left="190" Canvas.Top="75"/>        <ctrls:FlowPipe  Height="10" Name="fl1" Width="100" Canvas.Left="118" Canvas.Top="120"/>        <ctrls:FlowPipe  Height="10" Name="fl2" Width="100" Canvas.Left="315.3" Canvas.Top="120"/>        <ctrls:FlowPipe  Height="10" Name="fl3" Width="100" Canvas.Left="360" Canvas.Top="170" RenderTransformOrigin="0.5,0.5" FCornerRadius="0,0,0,5">            <ctrls:FlowPipe.RenderTransform>                <TransformGroup>                    <RotateTransform Angle="90"/>                </TransformGroup>            </ctrls:FlowPipe.RenderTransform>        </ctrls:FlowPipe>        <ctrls:FlowPipe  Height="10" Name="fl4" Width="100" Canvas.Left="407.3" Canvas.Top="218" />        <Button  Width="100" Height="20" Click="Button_Click"  Content="流动" Canvas.Left="115" Canvas.Top="225"/>        <Button  Width="100" Height="20" Click="Button_Click_1"  Content="反向" Canvas.Left="250" Canvas.Top="225"/>    </Canvas></UserControl>
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