Listened for "delete" and "ctrl+s" key presses to delete and space respectively when treeview has focus

Author: AJLeuer

GHelper/GHelper/View/MainWindow.xaml

@@ -22,13 +22,13 @@
         <SplitView.Resources>
 
             <DataTemplate x:Key="ApplicationTemplate" x:DataType="viewModel:ApplicationViewModel">
-                <TreeViewItem ItemsSource="{x:Bind Path=Profiles, Mode=OneWay}">
+                <TreeViewItem ItemsSource="{x:Bind Path=Profiles, Mode=OneWay}" PreviewKeyDown="{x:Bind Path=HandleKeyboardInput}">
                     <selector:ApplicationSelectorView Application="{x:Bind Mode=OneWay}"/>
                 </TreeViewItem>
             </DataTemplate>
 
             <DataTemplate x:Key="ProfileTemplate" x:DataType="viewModel:ProfileViewModel">
-                <TreeViewItem>
+                <TreeViewItem PreviewKeyDown="{x:Bind Path=HandleKeyboardInput}">
                     <selector:ProfileSelectorView Profile="{x:Bind Mode=OneWay}" />
                 </TreeViewItem>
             </DataTemplate>

GHelper/GHelper/View/Utility/KeyboardState.cs

@@ -0,0 +1,25 @@
+using Windows.System;
+using Windows.UI.Core;
+
+namespace GHelper.View.Utility
+{
+	public static class KeyboardState
+	{
+		public static CoreVirtualKeyStates ControlKeyState
+		{
+			get
+			{
+				CoreVirtualKeyStates controlKeyState = CoreWindow.GetForCurrentThread().GetKeyState(VirtualKey.Control);
+			
+				if ((controlKeyState & CoreVirtualKeyStates.Down) == CoreVirtualKeyStates.Down)
+				{
+					return CoreVirtualKeyStates.Down;
+				}
+				else
+				{
+					return CoreVirtualKeyStates.None;
+				}
+			}
+		}
+	}
+}

GHelper/GHelper/ViewModel/GHubRecordViewModel.cs

@@ -1,8 +1,12 @@
 using System.ComponentModel;
 using System.Reflection;
 using System.Runtime.CompilerServices;
+using Windows.System;
+using Windows.UI.Core;
 using GHelper.Event;
+using GHelper.View.Utility;
 using GHelperLogic.Model;
+using Microsoft.UI.Xaml.Input;
 
 namespace GHelper.ViewModel
 {
@@ -64,6 +68,23 @@ public void FireDeletedEvent()
 		{
 			UserDeletedRecord?.Invoke(this);
 		}
+		
+		public void HandleKeyboardInput(object sender, KeyRoutedEventArgs keyboardEventInfo)
+		{
+			switch (keyboardEventInfo.Key)
+			{
+				case VirtualKey.S:
+					if (KeyboardState.ControlKeyState == CoreVirtualKeyStates.Down)
+					{
+						FireSaveEvent();
+					}
+					break;
+				
+				case VirtualKey.Delete or VirtualKey.Back:
+					FireDeletedEvent();
+					break;
+			}
+		}
 
 		protected abstract void OnPropertyChanged([CallerMemberName] string? propertyName = null);
 	}