wpf-visual-process-framework/LogicControl/DecisionNode.xaml

<b:NodeBase x:Class="LogicControl.DecisionNode"
             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:LogicControl"
             xmlns:b="clr-namespace:VisionFrame.Base;assembly=VisionFrame.Base"
             xmlns:c="clr-namespace:VisionFrame.Base.Converter;assembly=VisionFrame.Base"
             mc:Ignorable="d" 
             d:DesignHeight="50" d:DesignWidth="100">
    <UserControl.Resources>
        <BooleanToVisibilityConverter x:Key="b2v"/>
        <c:BoolToBrushConverter x:Key="b2c"/>
    </UserControl.Resources>
    <Grid Name="grid">
        <!--选中状态提醒-->
        <Rectangle Stroke="#999" StrokeThickness="1"
           StrokeDashArray="3,5"
           Visibility="{Binding IsSelected,Converter={StaticResource b2v}}"/>
        <Path Data="M619.787898 44.781759l359.427055 359.500183a152.473125 152.473125 0 0 1 0 215.583104L619.787898 979.292101a152.473125 152.473125 0 0 1-215.656232 0L44.704611 619.791918a152.473125 152.473125 0 0 1 0-215.583104L404.204794 44.781759a152.473125 152.473125 0 0 1 215.656233 0z"
              Fill="#AA1f71e5" Stretch="Fill" Margin="3"
              Stroke="#1f71e5" StrokeThickness="1"/>
        <TextBlock Text="判断" VerticalAlignment="Center" HorizontalAlignment="Center"
                   Foreground="#FFF"/>
        <TextBlock Text="F" FontSize="10" VerticalAlignment="Center" HorizontalAlignment="Left"
                   Margin="15,0" Foreground="#FFF"/>
        <TextBlock Text="T" FontSize="10" VerticalAlignment="Center" HorizontalAlignment="Right"
                   Margin="15,0" Foreground="#FFF"/>



        <Grid Visibility="{Binding ElementName=grid,Path=IsMouseOver,Converter={StaticResource b2v}}">
            <!--锚点对象-->
            <!--上-->
            <Ellipse Width="12" Height="12" Fill="#9FFF"
                      VerticalAlignment="Top"
                      Stroke="#CCC" StrokeThickness="1"
                      Margin="0,-5,0,0"
                      Visibility="{Binding ShowAnchorT,Converter={StaticResource b2v}}"
                      MouseLeftButtonUp="Ellipse_MouseLeftButtonUp"
                      Tag="T"/>

            <!--左-->
            <Ellipse Width="12" Height="12" Fill="#9FFF"
                      HorizontalAlignment="Left"
                      Stroke="#CCC" StrokeThickness="1"
                      Margin="-5,0,0,0"
                      Visibility="{Binding ShowAnchorL,Converter={StaticResource b2v}}"
                      MouseLeftButtonDown="Ellipse_MouseLeftButtonDown"
                      Tag="L;F"/>
            <!--右-->
            <Ellipse Width="12" Height="12" Fill="#9FFF"
                      HorizontalAlignment="Right"
                      Stroke="#CCC" StrokeThickness="1"
                      Margin="0,0,-5,0"
                      Visibility="{Binding ShowAnchorR,Converter={StaticResource b2v}}"
                      MouseLeftButtonDown="Ellipse_MouseLeftButtonDown"
                      Tag="R;T"/>
        </Grid>
        <Button Width="16" Height="16"
                 HorizontalAlignment="Center" VerticalAlignment="Bottom"
                 Content="&#xe660;"
                 Margin="20,0,0,0"
                 Background="#9F00"
                 Foreground="#FFF"
                 FontFamily="{DynamicResource Iconfont}"
                 Style="{DynamicResource DeleteElementButtonStyle}"
                 Visibility="{Binding ElementName=grid,
                              Path=IsMouseOver,
                              Converter={StaticResource b2v}}"
                 Command="{Binding DataContext.DeleteElementCommand,RelativeSource={RelativeSource AncestorType=ItemsControl,Mode=FindAncestor}}"
                 CommandParameter="{Binding}"/>
        <ToggleButton Width="16" Height="16"
                     Tag="8"
                     Grid.Column="1"
                     HorizontalAlignment="Center" VerticalAlignment="Bottom"
                     Margin="0,0,20,0"
                     Content="&#xe7db;"
                     Foreground="White"
                     Background="#156FEE"
                     FontFamily="{DynamicResource Iconfont}"
                     Style="{DynamicResource ElementArgsButtonStyle}"
                     Visibility="{Binding ElementName=grid,
                                             Path=IsMouseOver,
                                             Converter={StaticResource b2v}}"
                       IsChecked="{Binding IsShowProperties}"/>
    </Grid>
</b:NodeBase>