Added .NET 5.0 and restructured the repository. (#47)

src/NotifyIconWpf.Sample.ShowCases/Tutorials/09 - MVVM/MvvmSampleWindow.xaml

@@ -0,0 +1,37 @@
+<Window x:Class="NotifyIconWpf.Sample.ShowCases.Tutorials.MvvmSampleWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:tb="http://www.hardcodet.net/taskbar"
+        xmlns:tutorials="clr-namespace:NotifyIconWpf.Sample.ShowCases.Tutorials"
+        Title="MvvmSampleWindow"
+        Height="300"
+        Width="300">
+    <Window.DataContext>
+        <tutorials:MvvmSampleViewModel />
+    </Window.DataContext>
+    <Grid>
+
+
+        <!-- 
+            the NotifyIcon automatically derives the DataContext of it's
+            declaring view. Alternatively, you could just assign it manually
+        -->
+        <tb:TaskbarIcon IconSource="/Icons/Inactive.ico"
+                        ToolTipText="{Binding Timestamp}">
+            <tb:TaskbarIcon.TrayPopup >
+                <!-- the popup, here a custom user control, will also get the DataContext of the NotifyIcon -->
+                <tutorials:ClockPopup Opacity="0.8" />
+            </tb:TaskbarIcon.TrayPopup>
+        </tb:TaskbarIcon>
+        
+        
+        
+        <TextBlock TextWrapping="Wrap"
+                   Text="MVVM is quite simple - content of the NotifyIcon derive its DataContext. Sample: Hover over the icon in order to see the bound ToolTipText. Click for a richer Popup that is bound to the same property."
+                   HorizontalAlignment="Left"
+                   VerticalAlignment="Top"
+                   Margin="10,10,10,0" />
+
+
+    </Grid>
+</Window>