MainWindow.xaml

<Window x:Class="WPFSingleBorderWindowNoChrome.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Height="450"
        Title="MainWindow"
        Width="800"
        WindowStartupLocation="CenterScreen"
        WindowStyle="SingleBorderWindow">
  <DockPanel LastChildFill="True">
    <DockPanel x:Name="NonClientArea"
               DockPanel.Dock="Top"
               Background="{DynamicResource {x:Static SystemColors.ActiveCaptionBrushKey}}"
               HorizontalAlignment="Stretch"
               LastChildFill="False"
               TextElement.Foreground="{DynamicResource {x:Static SystemColors.ActiveCaptionTextBrushKey}}"
               MouseDown="TitleBar_MouseDown">
      <TextBlock DockPanel.Dock="Left"
                 IsHitTestVisible="False"
                 Margin="8,0,0,0"
                 Text="{Binding Title, RelativeSource={RelativeSource AncestorType=Window}}"
                 VerticalAlignment="Center" />
      <StackPanel DockPanel.Dock="Right"
                  Orientation="Horizontal">
        <Button Height="24"
                HorizontalContentAlignment="Center"
                VerticalContentAlignment="Center"
                Width="24"
                Click="MaximizeRestoreButton_Click">
          <Path Fill="{Binding (TextElement.Foreground), RelativeSource={RelativeSource AncestorType=Button}}"
                Height="16"
                Width="16">
            <Path.Style>
              <Style TargetType="Path">
                <Style.Triggers>
                  <DataTrigger Binding="{Binding WindowState, RelativeSource={RelativeSource AncestorType=Window}}" Value="Normal">
                    <Setter Property="Data" Value="F1M12,12L4,12 4,4 12,4z M3,13L13,13 13,3 3,3z" />
                  </DataTrigger>
                  <DataTrigger Binding="{Binding WindowState, RelativeSource={RelativeSource AncestorType=Window}}" Value="Maximized">
                    <Setter Property="Data" Value="F1M11.999,10.002L10.998,10.002 10.998,5.002 5.998,5.002 5.998,4.001 11.999,4.001z M10.002,11.999L4.001,11.999 4.001,5.998 10.002,5.998z M5.002,3L5.002,5.002 3,5.002 3,13 10.998,13 10.998,10.998 13,10.998 13,3z" />
                  </DataTrigger>
                </Style.Triggers>
              </Style>
            </Path.Style>
          </Path>
          <Button.Style>
            <Style TargetType="Button">
              <Style.Triggers>
                <DataTrigger Binding="{Binding WindowState, RelativeSource={RelativeSource AncestorType=Window}}" Value="Normal">
                  <Setter Property="ToolTip" Value="Maximize" />
                </DataTrigger>
                <DataTrigger Binding="{Binding WindowState, RelativeSource={RelativeSource AncestorType=Window}}" Value="Maximized">
                  <Setter Property="ToolTip" Value="Restore" />
                </DataTrigger>
              </Style.Triggers>
            </Style>
          </Button.Style>
        </Button>
        <Button Height="24"
                HorizontalContentAlignment="Center"
                VerticalContentAlignment="Center"
                ToolTip="Close"
                Width="24"
                Click="CloseButton_Click">
          <Path Data="F1M8.583,8L13,12.424 12.424,13 8,8.583 3.576,13 3,12.424 7.417,8 3,3.576 3.576,3 8,7.417 12.424,3 13,3.576z"
                Fill="{Binding (TextElement.Foreground), RelativeSource={RelativeSource AncestorType=Button}}"
                Height="16"
                Width="16" />
        </Button>
      </StackPanel>
    </DockPanel>
    <DockPanel DockPanel.Dock="Bottom"
               Background="{DynamicResource {x:Static SystemColors.InactiveCaptionBrushKey}}"
               HorizontalAlignment="Stretch"
               LastChildFill="False"
               TextElement.Foreground="{DynamicResource {x:Static SystemColors.InactiveCaptionTextBrushKey}}">
      <TextBlock DockPanel.Dock="Left"
                 Margin="8,4,0,4"
                 Text="Ready"
                 VerticalAlignment="Center" />
    </DockPanel>
    <ContentControl DockPanel.Dock="Bottom" />
  </DockPanel>
</Window>