WPF - MenuItem缺少图标/图像

<Window x:Class="WpfApp.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="450" Width="800">
    <Window.Resources>
        <ImageSource x:Key="IconPath">pack://application:,,,/Images/icon.png</ImageSource>
    </Window.Resources>
    <Grid>
        <Menu>
            <MenuItem Header="File">
                <MenuItem.Icon>
                    <Image Source="{StaticResource IconPath}" />
                </MenuItem.Icon>
                <MenuItem Header="Open" />
                <MenuItem Header="Save" />
            </MenuItem>
            <MenuItem Header="Edit">
                <MenuItem.Icon>
                    <Image Source="{StaticResource IconPath}" />
                </MenuItem.Icon>
                <MenuItem Header="Cut" />
                <MenuItem Header="Copy" />
                <MenuItem Header="Paste" />
            </MenuItem>
        </Menu>
    </Grid>
</Window>