kmpdfkit_demo/compdfkit_demo_windows/compdfkit/compdfkit-tools/Annotation/PDFAnnotationPanel/PDFAnnotationUI/CPDFShapeUI.xaml

<UserControl x:Class="compdfkit_tools.PDFControlUI.CPDFShapeUI"
             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:cpdftools="clr-namespace:compdfkit_tools.PDFControl"
             xmlns:local="clr-namespace:compdfkit_tools.PDFControlUI"
            xmlns:cpdfcommon="clr-namespace:compdfkit_tools.Common"
             mc:Ignorable="d" 
             d:DesignHeight="800" d:DesignWidth="300">
    <Grid>
        <StackPanel Orientation="Vertical">

            <StackPanel Orientation="Vertical" Height="150">
                <TextBlock x:Name="TitleTextBlock" HorizontalAlignment="Center"></TextBlock>
                <Border Height="100" Background="#DEDEDE" Margin="10" CornerRadius="5"></Border>
            </StackPanel>
            <StackPanel Height="75" Margin="5">
                <TextBlock Text="Border Color"></TextBlock>
                <cpdfcommon:ColorPickerControl x:Name="BorderColorPickerControl"></cpdfcommon:ColorPickerControl>
            </StackPanel>
            <StackPanel x:Name="FillColorStackPanel" Height="75" Margin="5">
                <TextBlock Text="Fill Color"></TextBlock>
                <cpdfcommon:ColorPickerControl x:Name="FillColorPickerControl"></cpdfcommon:ColorPickerControl>
            </StackPanel>
            <StackPanel Height="75" Margin="5">
                <TextBlock Text="Opacity"></TextBlock>
                <cpdfcommon:CPDFOpacityControl x:Name="CPDFOpacityControl"></cpdfcommon:CPDFOpacityControl>
            </StackPanel>
            <StackPanel Height="75" Margin="5">
                <TextBlock Text="Thickness"></TextBlock>
                <cpdfcommon:CPDFThicknessControl x:Name="CPDFThicknessControl"></cpdfcommon:CPDFThicknessControl>
            </StackPanel>
            <StackPanel x:Name="LineStyleStackPanel" Height="75" Margin="5">
                <TextBlock Text="Line Style"></TextBlock>
                <cpdfcommon:CPDFLineStyleControl x:Name="CPDFLineStyleControl"></cpdfcommon:CPDFLineStyleControl>
            </StackPanel>
            <StackPanel x:Name="ArrowStackPanel" Visibility="Visible" Height="75">
                <TextBlock Text="Start and End"></TextBlock>
                <cpdftools:CPDFArrowControl x:Name="CPDFArrowControl"></cpdftools:CPDFArrowControl>
            </StackPanel>
            <StackPanel Height="200" Margin="5">
                <TextBlock Text="Note"></TextBlock>
                <TextBox Height="150"  x:Name="NoteTextBox"></TextBox>
            </StackPanel>
        </StackPanel>
    </Grid>
</UserControl>