Minics/HistoryUI/Views/Window1.xaml

<Window x:Class="HistoryUI.Views.Window1"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:HistoryUI.Views"
        mc:Ignorable="d"
        Title="Window1" Height="450" Width="800" WindowStyle="None" >
    <Window.Template>
        <ControlTemplate TargetType="Window">
            <Grid Background="White">
                <Grid.RowDefinitions>
                    <RowDefinition/>
                    <RowDefinition/>
                    <RowDefinition/>
                </Grid.RowDefinitions>

            

                <ContentPresenter Grid.Row="1"/>

            </Grid>
        </ControlTemplate>
    </Window.Template>
</Window>