kmpdfkit_demo/Demo/Examples/Compdfkit.Controls/Annotation/PDFAnnotationPanel/PDFAnnotationUI/CPDFFreehandUI.xaml

<UserControl x:Class="ComPDFKit.Controls.PDFControlUI.CPDFFreehandUI"
             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:ComPDFKit.Controls.PDFControlUI"
             xmlns:cpdfcommon="clr-namespace:ComPDFKit.Controls.Common"
             xmlns:cpdftools="clr-namespace:ComPDFKit.Controls.PDFControl"
             mc:Ignorable="d" 
             d:DesignHeight="800" d:DesignWidth="300">
    <UserControl.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="../../../Asset/Styles/ToggleButtonStyle.xaml"></ResourceDictionary>
            </ResourceDictionary.MergedDictionaries>
            <cpdfcommon:PropertyPanelResourceConverter x:Key="PropertyPanelResourceConverter"></cpdfcommon:PropertyPanelResourceConverter>
        </ResourceDictionary>
    </UserControl.Resources>
    <ScrollViewer VerticalScrollBarVisibility="Auto"> 
        <Grid Background="#FAFCFF">
        <StackPanel Orientation="Vertical">
            <Border BorderThickness="1" BorderBrush="#1A000000">
                <Grid  Height="40" Background="White" >
                    <TextBlock x:Name="TitleTextBlock" Text="{Binding Converter={StaticResource PropertyPanelResourceConverter},ConverterParameter=Title_Ink}" HorizontalAlignment="Center" VerticalAlignment="Center" FontSize="16" FontFamily="Microsoft YaHei"></TextBlock>
                </Grid>
            </Border>
            <StackPanel Orientation="Vertical" Height="130">
                <cpdftools:CPDFAnnotationPreviewerControl x:Name="CPDFAnnotationPreviewerControl" Height="100" Margin="16"></cpdftools:CPDFAnnotationPreviewerControl>

                <Border BorderBrush="#E2E3E6" BorderThickness="1" Background="White" Height="100" Margin="16" Name="EraseCirclePanel" Visibility="Collapsed">
                    <Ellipse Name="EraseCircle" Fill="#1A000000" Width="6" Height="6"></Ellipse>
                </Border>
            </StackPanel>
           
            <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
                <ToggleButton Name="FreehandBtn" Style="{StaticResource ToggleButtonStyle}" Width="50" Height="32" BorderThickness="0" IsChecked="True" Click="FreehandBtn_Click">
                    <Path Fill="#43474D">
                        <Path.Data>
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                            4.20737 13.8862 3.57239 13.4957 3.18186ZM10.3096 1.41807L12.7844 3.89295L11.9714 4.70585L9.49654 2.23098L10.3096 1.41807ZM8.78532 2.94212L11.2602 
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                        </Path.Data>
                    </Path>
                </ToggleButton>
                <ToggleButton Name="EraseBtn" Style="{StaticResource ToggleButtonStyle}" Width="50" Height="32" BorderThickness="0" Click="EraseBtn_Click">
                    <Path Fill="#43474D">
                        <Path.Data>
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                        </Path.Data>
                    </Path>
                </ToggleButton>
            </StackPanel>
            
            <StackPanel Name="FreehandPanel" Orientation="Vertical">
                <StackPanel Height="75" Margin="5">
                    <TextBlock Text="{Binding Converter={StaticResource PropertyPanelResourceConverter},ConverterParameter=Property_Color}"></TextBlock>
                    <cpdfcommon:ColorPickerControl x:Name="ColorPickerControl" TransparentBtnProperty="Collapsed"></cpdfcommon:ColorPickerControl>
                </StackPanel>
                <StackPanel Height="75" Margin="5">
                    <TextBlock Text="{Binding Converter={StaticResource PropertyPanelResourceConverter},ConverterParameter=Property_Opacity}"></TextBlock>
                    <cpdfcommon:CPDFOpacityControl x:Name="CPDFOpacityControl"></cpdfcommon:CPDFOpacityControl>
                </StackPanel>
                <StackPanel Height="75" Margin="5">
                    <TextBlock Text="{Binding Converter={StaticResource PropertyPanelResourceConverter},ConverterParameter=Property_LineWidth}"></TextBlock>
                    <cpdfcommon:CPDFThicknessControl x:Name="CPDFThicknessControl"></cpdfcommon:CPDFThicknessControl>
                </StackPanel>
                <StackPanel Height="200" Margin="5">
                    <TextBlock Text="{Binding Converter={StaticResource PropertyPanelResourceConverter},ConverterParameter=Property_Note}"></TextBlock>
                    <TextBox Height="150" x:Name="NoteTextBox" TextChanged="NoteTextBox_TextChanged" TextWrapping="Wrap" AcceptsReturn="True"></TextBox>
                </StackPanel>
            </StackPanel>

            <StackPanel Name="ErasePanel" Margin="5" Visibility="Collapsed">
                <TextBlock Text="Line Width"></TextBlock>
                <cpdfcommon:CPDFThicknessControl x:Name="EraseThickness"></cpdfcommon:CPDFThicknessControl>
            </StackPanel>
           
        </StackPanel>
    </Grid>
    </ScrollViewer>

</UserControl>