UdpLogListBox.xaml

<UserControl x:Class="FastGithub.UI.UdpLogListBox"
             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:FastGithub.UI"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800">
    <Grid>
        <ListBox 
            x:Name="listBox" 
            ItemsSource="{Binding LogList}"
            FocusVisualStyle="{x:Null}"
            VirtualizingPanel.IsVirtualizing="True"
            ScrollViewer.CanContentScroll="True"
            ScrollViewer.HorizontalScrollBarVisibility="Disabled" 
            BorderThickness="0"
            Background="#f7f7f7">
            <ListBox.ItemContainerStyle>
                <Style TargetType="{x:Type ListBoxItem}">
                    <Setter Property="FocusVisualStyle" Value="{x:Null}" />
                    <Style.Triggers>
                        <Trigger Property="IsSelected" Value="True">
                            <Setter Property="FocusManager.FocusedElement" Value="{Binding RelativeSource={RelativeSource Self}}" />
                        </Trigger>
                    </Style.Triggers>
                </Style>
            </ListBox.ItemContainerStyle>
            <ListBox.ItemTemplate>
                <DataTemplate>
                    <StackPanel Margin="16 5">
                        <StackPanel.ContextMenu>
                            <ContextMenu>
                                <MenuItem Header="复制本项" Click="MenuItem_Copy_Click" />
                                <MenuItem Header="清除所有" Click="MenuItem_Clear_Click" />
                            </ContextMenu>
                        </StackPanel.ContextMenu>
                        <TextBlock TextWrapping="Wrap" FontSize="13" Margin="0 2" Text="{Binding Timestamp, StringFormat={}{0:yyyy-MM-dd HH:mm:ss.fff}}"/>
                        <TextBlock TextWrapping="Wrap" FontSize="14" Margin="0 2" FontWeight="Light" Text="{Binding Message}">
                            <TextBlock.Foreground>
                                <SolidColorBrush Color="{Binding Color}"/>
                            </TextBlock.Foreground>
                        </TextBlock>
                    </StackPanel>
                </DataTemplate>
            </ListBox.ItemTemplate>
        </ListBox>
    </Grid>
</UserControl>