Remotely/Desktop.Linux/Views/MainWindow.axaml

<Window xmlns="https://github.com/avaloniaui"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:vm="clr-namespace:Remotely.Desktop.Linux.ViewModels;assembly=Remotely_Desktop"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
        x:Class="Remotely.Desktop.Linux.Views.MainWindow"
        Icon="/Assets/favicon.ico"
        Title="Remotely" Height="275" Width="350" HasSystemDecorations="False">
    <Window.DataContext>
      <vm:MainWindowViewModel />
    </Window.DataContext>
    <Grid>
        <StackPanel>
            <Border Name="TitleBanner" Height="50" Background="#FF464646">
                <DockPanel Margin="10,4,0,0">
                    <StackPanel>
                        <TextBlock Foreground="DeepSkyBlue" FontWeight="Bold" FontSize="20">Remotely</TextBlock>
                        <TextBlock Foreground="White" FontSize="10" Text="Do IT Remotely"></TextBlock>
                    </StackPanel>
                    <Button Classes="TitlebarButton" Command="{Binding CloseCommand}" CommandParameter="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type Window}}}" Content="X" />
                    <Button Classes="TitlebarButton" Command="{Binding MinimizeCommand}" CommandParameter="{Binding RelativeSource={RelativeSource Mode=FindAncestor, AncestorType={x:Type Window}}}" Content="_"/>
                </DockPanel>
            </Border>
            <Grid Margin="10,15,10,0">
                <Grid.ColumnDefinitions>
                    <ColumnDefinition />
                    <ColumnDefinition />
                </Grid.ColumnDefinitions>
                <StackPanel Grid.Column="0" Margin="0,0,15,0">
                    <TextBlock Classes="SectionHeader">Share Screen</TextBlock>
                    <TextBlock FontSize="16" Margin="0,10,0,5">Your Session ID:</TextBlock>
                    <TextBox Name="SessionIDTextBox" FontSize="16" Text="{Binding SessionID}" IsReadOnly="True"/>
                    <Grid Margin="0,10,0,0">
                        <TextBlock VerticalAlignment="Center">
                        Invite Link:
                        </TextBlock>
                        <Button HorizontalAlignment="Right" Classes="NormalButton" Command="{Binding CopyLinkCommand}">
                            Copy
                        </Button>
                    </Grid>
                    <TextBlock Margin="0,10,0,0" Foreground="DodgerBlue" IsVisible="{Binding IsCopyMessageVisible}" Opacity="{Binding CopyMessageOpacity}" HorizontalAlignment="Right">Copied to clipboard!</TextBlock>
                </StackPanel>
                <StackPanel Grid.Column="1" Margin="15,0,0,0">
                    <TextBlock Classes="SectionHeader">Viewers</TextBlock>
                    <Grid  Margin="0,5,0,0">
                        <TextBlock FontSize="8" Margin="5,0,0,0">Name</TextBlock>
                        <TextBlock FontSize="8" Margin="0,0,5,0" HorizontalAlignment="Right">Has Control</TextBlock>
                    </Grid>
                    <ListBox Name="ViewerListBox" Height="90" Items="{Binding Viewers}" SelectionMode="Multiple">
                        <ListBox.ItemTemplate>
                            <DataTemplate>
                                <DockPanel>
                                    <TextBlock Text="{Binding Name}"></TextBlock>
                                    <CheckBox IsChecked="{Binding HasControl}" HorizontalAlignment="Right"></CheckBox>
                                </DockPanel>
                            </DataTemplate>
                        </ListBox.ItemTemplate>
                    </ListBox>
                    <Button Classes="NormalButton" HorizontalAlignment="Right"  Margin="0,5,0,0" 
                            Command="{Binding RemoveViewerCommand}"
                            CommandParameter="{Binding SelectedItems, ElementName=ViewerListBox}">
                        Remove  
                    </Button>
                </StackPanel>
            </Grid>
        </StackPanel>
      <Button BorderThickness="0"
              Background="Transparent"
              VerticalAlignment="Bottom"
              HorizontalAlignment="Left"
              Cursor="Hand"
              Height="25"
              Width="25"
              VerticalContentAlignment="Stretch"
              HorizontalContentAlignment="Stretch"
              Margin="10,5"
              Command="{Binding OpenOptionsMenu}"
              CommandParameter="{Binding Mode=OneWay, RelativeSource={RelativeSource Self}}"
              >
        <Button.ContextMenu>
          <ContextMenu>
            <MenuItem Header="Change Server" Command="{Binding ChangeServerCommand}"></MenuItem>
          </ContextMenu>
        </Button.ContextMenu>
        <Image Source="avares://Remotely_Desktop/Assets/Gear.png"></Image>
      </Button>
    </Grid>
</Window>