<Window x:Class="GadgetWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Height="300" Width="300"
AllowsTransparency="True" WindowStyle="None" Background="Transparent"
MouseLeftButtonDown="Window_MouseLeftButtonDown">
<Grid>
<Ellipse Fill="Red" Opacity="0.5" Margin="20">
<Ellipse.BitmapEffect>
<DropShadowBitmapEffect/>
</Ellipse.BitmapEffect>
</Ellipse>
<Button Margin="100" Click="Button_Click">Close</Button>
</Grid>
</Window>
//File:Window.xaml.cs
using System.Windows;
using System.Windows.Input;
public partial class GadgetWindow : Window
{
public GadgetWindow()
{
InitializeComponent();
}
void Window_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
this.DragMove();
}
void Button_Click(object sender, RoutedEventArgs e)
{
this.Close();
}
}
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