IconPopup.xaml

<Window x:Class="CopyPlusPlus.IconPopup"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        mc:Ignorable="d"
        Title="IconPopup" Opacity="1" Background="Transparent" AllowsTransparency="True" WindowStyle="None" ResizeMode="NoResize" Width="33" Height="32" Closed="OnClosed" Focusable="False" Topmost="True" ShowActivated="False" ShowInTaskbar="False">
    <Grid MouseEnter="Icon_OnMouseEnter" MouseLeave="Icon_OnMouseLeave">
        <Image x:Name="Icon" Source="/images/icon-circle.png" Cursor="Hand" HorizontalAlignment="Center" Margin="2,2,2,2" RenderOptions.BitmapScalingMode="HighQuality" MouseLeftButtonDown="OnLeftMouseDown" VerticalAlignment="Center" />
    </Grid>
</Window>