TimerView.xaml

<Window xmlns:ui="http://schemas.lepo.co/wpfui/2022/xaml"  x:Class="SimpleUsefulTimer.TimerView"
      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:SimpleUsefulTimer"
      mc:Ignorable="d" 
      SizeToContent="WidthAndHeight"
      Name="TimerViewWindow" Topmost="True" Title="TimerView" DataContext="{Binding RelativeSource={RelativeSource  AncestorType=local:TimerControl}}"  AllowsTransparency="True" Background="Transparent"  WindowStyle="None" Closed="Window_Closed" Loaded="Window_Loaded" MouseDown="Window_MouseDown" MouseRightButtonUp="TimerViewWindow_MouseRightButtonUp">
    <Window.Resources>
        <local:IntToVisibilityConverter x:Key="IntToVisibilityConverter" />
        <local:IntToVerticalAlignmentConverter x:Key="IntToVerticalAlignmentConverter" />
    </Window.Resources>

    <StackPanel Name="TimerViewContainer" Orientation="Horizontal" Background="{Binding MainTimerBackground}">
        <TextBlock Background="{Binding MainTimerBackground}"
            Name="MainTimer" 
            Text="{Binding Timer, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" 
            FontFamily="{Binding TimerCustomFont}"  
            FontSize="{Binding TimerFontSize, Mode=TwoWay}" 
            FontWeight="Bold"
            Foreground="{Binding MainTimerForeground, Mode=OneWay}"
            >
        </TextBlock>
        <TextBlock
            Name="MainTimerMs" 
            Text="{Binding TimerMs, UpdateSourceTrigger=PropertyChanged, Mode=TwoWay}" 
            FontFamily="{Binding TimerCustomFont}" 
            FontSize="{Binding AdjustedTimerFontSize}" 
            FontWeight="Bold"
            Foreground="{Binding MainTimerForeground, Mode=OneWay}"
            Visibility="{Binding MsFieldAlignment, Converter={StaticResource IntToVisibilityConverter}}"
            VerticalAlignment="{Binding MsFieldAlignment, Converter={StaticResource IntToVerticalAlignmentConverter}}"
            IsVisibleChanged="MainTimerMs_IsVisibleChanged"
            Margin="0,0,15,0"
            >
        </TextBlock>
        <ui:Flyout Name="RightClickActionContainer" >
            <StackPanel Orientation="Horizontal">
                <Button Name="CloseTimerAction" Content="Close" Click="CloseTimerAction_Click"/>
                <Button Name="OpenTimerConfigAction" Content="Config" Click="OpenTimerConfigAction_Click"/>
                <Button Name="Github" Content="My github" Click="Github_Click"/>
            </StackPanel>
        </ui:Flyout>
    </StackPanel>
</Window>