Windows: Add AboutWindow

Elwig/Windows/AboutWindow.xaml

@@ -0,0 +1,32 @@
+<Window x:Class="Elwig.Windows.AboutWindow"
+        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:Elwig.Windows"
+        Title="Über - Elwig" Height="340" Width="480" ResizeMode="NoResize">
+    <Grid>
+        <TextBlock Margin="20,10" FontSize="12">
+            <Bold>Produkt:</Bold> Elwig<LineBreak/>
+            <Bold>Beschreibung:</Bold> Elektronische Winzergenossenschaftsveraltung<LineBreak/>
+            <Bold>Typ:</Bold> Warenwirschaftssystem<LineBreak/>
+            <Bold>Version:</Bold> <Run x:Name="Version">0.0.0.0</Run> (<Hyperlink NavigateUri="https://elwig.at/changelog" RequestNavigate="Hyperlink_RequestNavigate">Änderungsprotokoll</Hyperlink>)<LineBreak/>
+            <Bold>Lizenz:</Bold> <Hyperlink NavigateUri="https://www.gnu.org/licenses/gpl-3.0.html" RequestNavigate="Hyperlink_RequestNavigate">GNU General Public License 3.0 (GPLv3)</Hyperlink><LineBreak/>
+            <Bold>Website:</Bold> <Hyperlink NavigateUri="https://elwig.at/" RequestNavigate="Hyperlink_RequestNavigate">https://elwig.at/</Hyperlink><LineBreak/>
+            <Bold>Entwickler:</Bold> Lorenz Stechauner, Thomas Hilscher<LineBreak/>
+            <Bold>Kontakt:</Bold> <Hyperlink NavigateUri="mailto:lorenz.stechauner@necronda.net" RequestNavigate="Hyperlink_RequestNavigate">lorenz.stechauner@necronda.net</Hyperlink>, <Hyperlink NavigateUri="mailto:thomas.hilscher@gmail.com" RequestNavigate="Hyperlink_RequestNavigate">thomas.hilscher@gmail.com</Hyperlink><LineBreak/>
+            <Bold>Quellcode:</Bold> <Hyperlink NavigateUri="https://git.necronda.net/winzer/elwig" RequestNavigate="Hyperlink_RequestNavigate">https://git.necronda.net/winzer/elwig</Hyperlink><LineBreak/>
+            <Bold>Entwicklungszeitraum:</Bold> 2022–2025<LineBreak/>
+            <LineBreak/>
+            <Bold>Verwendete Technologien:</Bold><LineBreak/>
+            Programmiersprache: C#<LineBreak/>
+            Framework: Windows Presentation Framework (WPF)<LineBreak/>
+            Datenbank: <Hyperlink NavigateUri="https://sqlite.org/" RequestNavigate="Hyperlink_RequestNavigate">SQLite</Hyperlink><LineBreak/>
+            PDF-Erstellung: <Hyperlink NavigateUri="https://weasyprint.org/" RequestNavigate="Hyperlink_RequestNavigate">WeasyPrint</Hyperlink>, <Hyperlink NavigateUri="https://github.com/toddams/RazorLight" RequestNavigate="Hyperlink_RequestNavigate">RazorLight</Hyperlink>, <Hyperlink NavigateUri="https://github.com/pvginkel/PdfiumViewer" RequestNavigate="Hyperlink_RequestNavigate">PdfiumViewer</Hyperlink><LineBreak/>
+            Paketierung: <Hyperlink NavigateUri="https://www.firegiant.com/wixtoolset/" RequestNavigate="Hyperlink_RequestNavigate">WiX Toolset</Hyperlink>
+        </TextBlock>
+
+        <Image Source="\Resources\Images\Elwig.png" RenderOptions.BitmapScalingMode="HighQuality" Height="96"
+               HorizontalAlignment="Right" Margin="10" VerticalAlignment="Top"/>
+    </Grid>
+</Window>

Elwig/Windows/AboutWindow.xaml.cs

@@ -0,0 +1,17 @@
+using System.Diagnostics;
+using System.Windows;
+using System.Windows.Navigation;
+
+namespace Elwig.Windows {
+    public partial class AboutWindow : Window {
+
+        public AboutWindow() {
+            InitializeComponent();
+            Version.Text = App.Version.ToString();
+        }
+
+        private void Hyperlink_RequestNavigate(object sender, RequestNavigateEventArgs e) {
+            Process.Start(new ProcessStartInfo(e.Uri.AbsoluteUri) { UseShellExecute = true });
+        }
+    }
+}

Elwig/Windows/MainWindow.xaml

@@ -72,7 +72,7 @@
                 </MenuItem>
             </MenuItem>
             <MenuItem x:Name="HelpMenu" Header="Hilfe">
-                <MenuItem Header="Über">
+                <MenuItem Header="Über" Click="Menu_Help_About_Click">
                     <MenuItem.Icon>
                         <TextBlock FontFamily="Segoe MDL2 Assets" FontSize="16" Text="&#xE946;"/>
                     </MenuItem.Icon>

Elwig/Windows/MainWindow.xaml.cs

@@ -59,6 +59,11 @@ namespace Elwig.Windows {
             }
         }
 
+        private void Menu_Help_About_Click(object sender, RoutedEventArgs evt) {
+            var w = new AboutWindow();
+            w.Show();
+        }
+
         private async void Menu_Help_Update_Click(object sender, RoutedEventArgs evt) {
             await App.CheckForUpdates(true);
         }