atomui/samples/AtomUI.Demo.Desktop/ShowCase/MenuShowCase.axaml

<UserControl
    x:Class="AtomUI.Demo.Desktop.ShowCase.MenuShowCase"
    xmlns="https://github.com/avaloniaui"
    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:atom="https://atomui.net"
    xmlns:desktop="clr-namespace:AtomUI.Demo.Desktop"

    mc:Ignorable="d">
    <desktop:ShowCasePanel>
        <desktop:ShowCaseItem
            Title="Basic"
            Description="Simplest Usage.">
            <atom:Menu>
                <atom:MenuItem Header="_File">
                    <atom:MenuItem Header="New Text File" InputGesture="Ctrl+N" />
                    <atom:MenuItem Header="New File" InputGesture="Ctrl+Alt+N" />
                    <atom:MenuItem Header="New Window" InputGesture="Ctrl+Shift+N" />
                </atom:MenuItem>
                <atom:MenuItem Header="_Edit">
                    <atom:MenuItem Header="Undo" InputGesture="Ctrl+Shift+Z" />
                    <atom:MenuSeparator />
                    <atom:MenuItem Header="Cut" InputGesture="Ctrl+X" />
                </atom:MenuItem>
                <atom:MenuItem Header="Disabled Item" IsEnabled="False" />
            </atom:Menu>
        </desktop:ShowCaseItem>

        <desktop:ShowCaseItem
            Title="Icon and submenu"
            Description="With icon and submenu.">
            <atom:Menu>
                <atom:MenuItem Header="_File">
                    <atom:MenuItem Header="New Text File" InputGesture="Ctrl+N" />
                    <atom:MenuItem Header="New File" InputGesture="Ctrl+Alt+N" />
                    <atom:MenuItem Header="New Window" InputGesture="Ctrl+Shift+N" />
                    <atom:MenuSeparator />
                    <atom:MenuItem Header="Save" InputGesture="Ctrl+S" />
                    <atom:MenuItem Header="Save As..." InputGesture="Ctrl+Shift+S" />
                    <atom:MenuItem Header="Save All" InputGesture="Ctrl+K" />
                    <atom:MenuSeparator />
                    <atom:MenuItem Header="Exit" />
                </atom:MenuItem>
                <atom:MenuItem Header="_Edit">
                    <atom:MenuItem Header="Undo" InputGesture="Ctrl+Shift+Z" />
                    <atom:MenuSeparator />
                    <atom:MenuItem Header="Cut" InputGesture="Ctrl+X" Icon="{atom:IconProvider Kind=ScissorOutlined}" />
                    <atom:MenuItem Header="Copy" InputGesture="Ctrl+C" Icon="{atom:IconProvider Kind=CopyOutlined}" />
                    <atom:MenuItem Header="Delete" InputGesture="Ctrl+D" Icon="{atom:IconProvider Kind=DeleteOutlined}" />
                    <atom:MenuItem Header="Paste">
                        <atom:MenuItem Header="Paste" InputGesture="Ctrl+P"
                                       Icon="{atom:IconProvider Kind=FileDoneOutlined}" />
                        <atom:MenuItem Header="Paste from History" InputGesture="Ctrl+Shift+V" />
                    </atom:MenuItem>
                </atom:MenuItem>
            </atom:Menu>
        </desktop:ShowCaseItem>

        <desktop:ShowCaseItem
            Title="menu item with ToggleType"
            Description="Renders a checkbox or radio button on a menu.">
            <atom:Menu>
                <atom:MenuItem Header="_Menu A">
                    <atom:MenuItem Header="New Text File" InputGesture="Ctrl+N" ToggleType="Radio" GroupName="Group1" />
                    <atom:MenuItem Header="New File" InputGesture="Ctrl+Alt+N" ToggleType="Radio" GroupName="Group1" />
                    <atom:MenuItem Header="New Window" InputGesture="Ctrl+Shift+N" ToggleType="Radio"
                                   GroupName="Group1" />
                    <atom:MenuSeparator />
                    <atom:MenuItem Header="Save" InputGesture="Ctrl+S" ToggleType="CheckBox" />
                    <atom:MenuItem Header="Save As..." InputGesture="Ctrl+Shift+S" ToggleType="CheckBox"
                                   Icon="{atom:IconProvider Kind=GithubOutlined}" />
                    <atom:MenuItem Header="Save All" InputGesture="Ctrl+K" ToggleType="CheckBox"
                                   Icon="{atom:IconProvider Kind=CheckOutlined}" />
                    <atom:MenuSeparator />
                    <atom:MenuItem Header="Exit" />
                    <atom:MenuItem Header="Disabled" IsEnabled="False" />
                </atom:MenuItem>
            </atom:Menu>
        </desktop:ShowCaseItem>

        <desktop:ShowCaseItem
            Title="Scrollable menu"
            Description="When there are too many menu items, up and down scroll buttons will appear.">
            <atom:Menu>
                <atom:MenuItem Header="_Menu">
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                    <atom:MenuItem Header="Menu Item" />
                </atom:MenuItem>
            </atom:Menu>
        </desktop:ShowCaseItem>

        <desktop:ShowCaseItem
            Title="Context menu"
            Description="Right click to bring up the context menu.">
            <desktop:ShowCaseItem.Styles>
                <Style Selector="Border#ContextMenuContainer">
                    <Setter Property="BorderBrush" Value="Gray" />
                    <Setter Property="BorderThickness" Value="1" />
                    <Setter Property="CornerRadius" Value="6" />
                    <Setter Property="Padding" Value="10" />
                    <Setter Property="Margin" Value="10" />
                </Style>
            </desktop:ShowCaseItem.Styles>
            <Border Name="ContextMenuContainer">
                <Border.ContextMenu>
                    <atom:ContextMenu>
                        <atom:MenuItem Header="Cut" InputGesture="Ctrl+X"
                                       Icon="{atom:IconProvider Kind=ScissorOutlined}" />
                        <atom:MenuItem Header="Copy" InputGesture="Ctrl+C" Icon="{atom:IconProvider Kind=CopyOutlined}" />
                        <atom:MenuItem Header="Delete" InputGesture="Ctrl+D"
                                       Icon="{atom:IconProvider Kind=DeleteOutlined}" />
                        <atom:MenuItem Header="Paste">
                            <atom:MenuItem Header="Paste" InputGesture="Ctrl+P"
                                           Icon="{atom:IconProvider Kind=FileDoneOutlined}" />
                            <atom:MenuItem Header="Paste from History" InputGesture="Ctrl+Shift+V" />
                        </atom:MenuItem>
                    </atom:ContextMenu>
                </Border.ContextMenu>
                <TextBlock Text="Right Click to show Context Menu" />
            </Border>
        </desktop:ShowCaseItem>

        <desktop:ShowCaseItem
            Title="Menu Flyout"
            Description="Right Click to show Context Flyout">
            <desktop:ShowCaseItem.Styles>
                <Style Selector="Border#ContextFlyoutContainer">
                    <Setter Property="BorderBrush" Value="Gray" />
                    <Setter Property="BorderThickness" Value="1" />
                    <Setter Property="CornerRadius" Value="6" />
                    <Setter Property="Padding" Value="10" />
                    <Setter Property="Margin" Value="10" />
                </Style>
            </desktop:ShowCaseItem.Styles>

            <Border Name="ContextFlyoutContainer">
                <Border.ContextFlyout>
                    <atom:MenuFlyout>
                        <atom:MenuItem Header="Cut" InputGesture="Ctrl+X"
                                       Icon="{atom:IconProvider Kind=ScissorOutlined}" />
                        <atom:MenuItem Header="Copy" InputGesture="Ctrl+C" Icon="{atom:IconProvider Kind=CopyOutlined}" />
                        <atom:MenuItem Header="Delete" InputGesture="Ctrl+D"
                                       Icon="{atom:IconProvider Kind=DeleteOutlined}" />
                        <atom:MenuItem Header="Paste">
                            <atom:MenuItem Header="Paste" InputGesture="Ctrl+P"
                                           Icon="{atom:IconProvider Kind=FileDoneOutlined}" />
                            <atom:MenuItem Header="Paste from History" InputGesture="Ctrl+Shift+V" />
                        </atom:MenuItem>
                    </atom:MenuFlyout>
                </Border.ContextFlyout>
                <TextBlock Text="Right Click to show Context Flyout" />
            </Border>

        </desktop:ShowCaseItem>

    </desktop:ShowCasePanel>
</UserControl>