(XAML)
<Window x:Class="Osu_Cancer.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:Osu_Cancer"
        mc:Ignorable="d"
        AllowsTransparency="True"
        WindowStyle="None"
        Background="Transparent"
        Loaded="Window_Loaded"
        Title="MainWindow" Height="450" Width="800" WindowStartupLocation="CenterScreen" WindowState="Maximized" ResizeMode="NoResize">
           
    <Grid>
        <Image x:Name="imgOsuLogo" Stretch="Uniform" Margin="205" Source="{Binding Logo}"></Image>
    </Grid>
</Window>
------------------------------------------------------------------------------------------------
(C#)
 public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

            imgOsuLogo.Opacity = 0;
        }

        private void FadeInLogo()
        {
            imgOsuLogo.Opacity = 0;
            
            for (int i = 0; i < 9; i++)
            {
                imgOsuLogo.Opacity += 0.1;
                Thread.Sleep(1000);
            }
        }

        private void Window_Loaded(object sender, RoutedEventArgs e)
        {
            Dispatcher.BeginInvoke(DispatcherPriority.Normal, new AVoidDelegate(FadeInLogo));
        }
    }
    public delegate void AVoidDelegate();
}
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

this.Dispatcher.Invoke(DispatcherPriority piority ,System.Delegate delegate);
this.Dispatcher.BeginInvoke(DispatcherPriority piority ,System.Delegate delegate);
1
2