Use WindowChrome - Githubissues

`<Window x:Class="WindowChromeExample.MainWindow" 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:WindowChromeExample" mc:Ignorable="d" Title="MainWindow" Height="200" Width="500">

<!--Add the WindowChrome object-->
<WindowChrome.WindowChrome>
    <WindowChrome CaptionHeight="34" />
</WindowChrome.WindowChrome>

<Window.Resources>
    <ResourceDictionary>

        <!--Base style for title bar buttons-->
        <Style x:Key="CaptionButtonStyle" TargetType="Button">
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="Button">
                        <Grid x:Name="LayoutRoot" Background="Transparent" Width="44" Height="30">
                            <TextBlock x:Name="txt" Text="{TemplateBinding Content}" FontFamily="Segoe MDL2 Assets" FontSize="10" 
                               Foreground="Black" HorizontalAlignment="Center" VerticalAlignment="Center"
                               RenderOptions.ClearTypeHint="Auto" TextOptions.TextRenderingMode="Aliased"  TextOptions.TextFormattingMode="Display"/>
                        </Grid>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsMouseOver" Value="True">
                                <Setter TargetName="LayoutRoot" Property="Background" Value="#E5E5E5"/>
                                <Setter TargetName="txt" Property="Foreground" Value="#000000"/>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>

        <!--Minimize-->
        <Style x:Key="MinimizeButtonStyle" TargetType="Button" BasedOn="{StaticResource CaptionButtonStyle}">
            <Setter Property="Content" Value="&#xE949;"/>
        </Style>

        <!--Maximize-->
        <Style x:Key="MaximizeButtonStyle" TargetType="Button" BasedOn="{StaticResource CaptionButtonStyle}">
            <Setter Property="Content" Value="&#xE739;"/>
        </Style>

        <!--Restore-->
        <Style x:Key="RestoreButtonStyle" TargetType="Button" BasedOn="{StaticResource CaptionButtonStyle}">
            <Setter Property="Content" Value="&#xE923;"/>
        </Style>

        <!--Close-->
        <Style x:Key="CloseButtonStyle" TargetType="Button" BasedOn="{StaticResource CaptionButtonStyle}">
            <Setter Property="Content" Value="&#xE106;"/>
        </Style>

    </ResourceDictionary>
</Window.Resources>

<!--Title bar button commands-->
<Window.CommandBindings>
    <CommandBinding Command="{x:Static SystemCommands.CloseWindowCommand}" CanExecute="CommandBinding_CanExecute" Executed="CommandBinding_Executed_Close" />
    <CommandBinding Command="{x:Static SystemCommands.MaximizeWindowCommand}" CanExecute="CommandBinding_CanExecute" Executed="CommandBinding_Executed_Maximize" />
    <CommandBinding Command="{x:Static SystemCommands.MinimizeWindowCommand}" CanExecute="CommandBinding_CanExecute" Executed="CommandBinding_Executed_Minimize" />
    <CommandBinding Command="{x:Static SystemCommands.RestoreWindowCommand}" CanExecute="CommandBinding_CanExecute" Executed="CommandBinding_Executed_Restore" />
</Window.CommandBindings>

<Border x:Name="MainWindowBorder" BorderBrush="LightCoral" BorderThickness="0" >
    <Grid x:Name="parentContainer" Background="LightBlue">

        <Grid.RowDefinitions>
            <RowDefinition Height ="Auto"/>
            <RowDefinition Height ="*"/> 
        </Grid.RowDefinitions>

        <!--Window chrome-->
        <Grid Grid.Row="0" Height="30" Background="#F999">
            <StackPanel Orientation="Horizontal" HorizontalAlignment="Left" VerticalAlignment="Center">
                <!--App icon-->
                <Image Source="/Resources/watermelon.ico" Width="18" Margin="2" HorizontalAlignment="Left" VerticalAlignment="Center" />
                <TextBlock Text="Sweet App" FontFamily="Arial" Margin="4 3 0 0" />
            </StackPanel>

            <!--Caption buttons-->
            <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" >
                <Button Style="{StaticResource MinimizeButtonStyle}" WindowChrome.IsHitTestVisibleInChrome="True" ToolTip="Minimize"
                        Command="{x:Static SystemCommands.MinimizeWindowCommand}"/>
                <Button x:Name="RestoreButton" Visibility="Collapsed" Style="{StaticResource RestoreButtonStyle}" 
                        Command="{x:Static SystemCommands.RestoreWindowCommand}" WindowChrome.IsHitTestVisibleInChrome="True" ToolTip="Restore"/>
                <Button x:Name="MaximizeButton" Visibility="Visible" Style="{StaticResource MaximizeButtonStyle}" 
                        Command="{x:Static SystemCommands.MaximizeWindowCommand}" WindowChrome.IsHitTestVisibleInChrome="True" ToolTip="Maximize" />
                <Button Style="{StaticResource CloseButtonStyle}" WindowChrome.IsHitTestVisibleInChrome="True" ToolTip="Close"
                        Command="{x:Static SystemCommands.CloseWindowCommand}"/>
            </StackPanel>
        </Grid>

        <!--App content-->
        <Grid Grid.Row="1" x:Name="AppArea">
            <Path Data="M50,0L100,50 50,100 0,50z" Fill="White" Stretch="Fill" Stroke="Black" StrokeThickness="2" />
        </Grid>

    </Grid>
</Border>

using System; using System.Windows; using System.Windows.Input;

namespace WindowChromeExample { ///

/// Interaction logic for MainWindow.xaml ///

public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); StateChanged += MainWindowStateChangeRaised; }

    // Can execute
    private void CommandBinding_CanExecute(object sender, CanExecuteRoutedEventArgs e)
    {
        e.CanExecute = true;
    }

    // Minimize
    private void CommandBinding_Executed_Minimize(object sender, ExecutedRoutedEventArgs e)
    {
        SystemCommands.MinimizeWindow(this);
    }

    // Maximize
    private void CommandBinding_Executed_Maximize(object sender, ExecutedRoutedEventArgs e)
    {
        SystemCommands.MaximizeWindow(this);
    }

    // Restore
    private void CommandBinding_Executed_Restore(object sender, ExecutedRoutedEventArgs e)
    {
        SystemCommands.RestoreWindow(this);
    }

    // Close
    private void CommandBinding_Executed_Close(object sender, ExecutedRoutedEventArgs e)
    {
        SystemCommands.CloseWindow(this);
    }

    // State change
    private void MainWindowStateChangeRaised(object sender, EventArgs e)
    {
        if (WindowState == WindowState.Maximized)
        {
            MainWindowBorder.BorderThickness = new Thickness(8);
            RestoreButton.Visibility = Visibility.Visible;
            MaximizeButton.Visibility = Visibility.Collapsed;
        }
        else
        {
            MainWindowBorder.BorderThickness = new Thickness(0);
            RestoreButton.Visibility = Visibility.Collapsed;
            MaximizeButton.Visibility = Visibility.Visible;
        }
    }
}

} `

Erapchu / PasswordManager_net47

Use WindowChrome #25