templates loadable by double clicking or pressing enter

Author: maxijabase

UI/Windows/NewFileWindow.xaml

@@ -17,7 +17,7 @@
         </ResourceDictionary>
     </controls:MetroWindow.Resources>
     <Grid>
-        <ListBox Name="TemplateListBox" HorizontalAlignment="Left" VerticalAlignment="Stretch" Width="250" Margin="0,0,0,50" SelectionChanged="TemplateListBox_SelectionChanged" />
+        <ListBox Name="TemplateListBox" HorizontalAlignment="Left" VerticalAlignment="Stretch" Width="250" Margin="0,0,0,50" SelectionChanged="TemplateListBox_SelectionChanged" MouseDoubleClick="TemplateListBox_MouseDoubleClick" KeyDown="TemplateListBox_KeyDown" />
         <TextBlock Name="PreviewBlock" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="260,10,0,0" Text="Preview:" IsHitTestVisible="False" />
         <TextBox Name="PrevieBox" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Margin="260,30,5,50" IsReadOnly="True" />
         <TextBox Name="PathBox" HorizontalAlignment="Stretch" VerticalAlignment="Bottom" Margin="5,0,120,5" 

UI/Windows/NewFileWindow.xaml.cs

@@ -131,15 +131,6 @@ private void TemplateListBox_SelectionChanged(object sender, SelectionChangedEve
             PathBox.Text = Path.Combine(PathStr, templateInfo.NewName);
         }
 
-        private void Button_Click(object sender, RoutedEventArgs e)
-        {
-            var destFile = new FileInfo(PathBox.Text);
-            var templateInfo = TemplateDictionary[(string)TemplateListBox.SelectedItem];
-            File.Copy(templateInfo.Path, destFile.FullName, true);
-            Program.MainWindow.TryLoadSourceFile(destFile.FullName, true, true, true);
-            Close();
-        }
-
         private void Language_Translate()
         {
             if (Program.Translations.IsDefault)
@@ -172,6 +163,33 @@ public void Execute(object parameter)
                 ExecuteAction?.Invoke(parameter);
             }
         }
+
+        private void Button_Click(object sender, RoutedEventArgs e)
+        {
+            GoToSelectedTemplate();
+        }
+
+        private void TemplateListBox_MouseDoubleClick(object sender, MouseButtonEventArgs e)
+        {
+            GoToSelectedTemplate();
+        }
+
+        private void TemplateListBox_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.Key == Key.Enter)
+            {
+                GoToSelectedTemplate();
+            }
+        }
+
+        private void GoToSelectedTemplate()
+        {
+            var destFile = new FileInfo(PathBox.Text);
+            var templateInfo = TemplateDictionary[(string)TemplateListBox.SelectedItem];
+            File.Copy(templateInfo.Path, destFile.FullName, true);
+            Program.MainWindow.TryLoadSourceFile(destFile.FullName, true, true, true);
+            Close();
+        }
     }
 
     public class TemplateInfo