aistudio-wpf-diagram/Extensions/AIStudio.Wpf.Script/Themes/RoslynScriptViewModel.xaml

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
                    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
                    xmlns:viewmodel="clr-namespace:AIStudio.Wpf.CSharpScript.ViewModels" 
                    xmlns:dd="https://gitee.com/akwkevin/aistudio.-wpf.-diagram"
                    xmlns:i="http://schemas.microsoft.com/xaml/behaviors">

    <dd:BoolVisibilityConverter x:Key="BoolVisibilityConverter"/>
    <dd:DoubleToThickness x:Key="DoubleToThickness"/>
    <dd:ColorBrushConverter x:Key="ColorBrushConverter"/>

    <DataTemplate DataType="{x:Type viewmodel:CSharpScriptViewModel}">
        <Grid IsHitTestVisible="False">
            <Rectangle StrokeThickness="1" Fill="{Binding ColorViewModel.FillColor,Converter={StaticResource ColorBrushConverter}}" Stroke="{Binding ColorViewModel.LineColor,Converter={StaticResource ColorBrushConverter}}" />
            <TextBlock Text="C#" Foreground="{Binding FontViewModel.FontColor,Converter={StaticResource ColorBrushConverter}}" VerticalAlignment="Center" HorizontalAlignment="Center" Margin="5"/>
        </Grid>
    </DataTemplate>

</ResourceDictionary>