diff --git a/PacticeSolution/KeyboardInputSample/App.xaml b/PacticeSolution/KeyboardInputSample/App.xaml
new file mode 100644
index 0000000..9abdc8e
--- /dev/null
+++ b/PacticeSolution/KeyboardInputSample/App.xaml
@@ -0,0 +1,9 @@
+<Application x:Class="KeyboardInputSample.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:KeyboardInputSample"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
diff --git a/PacticeSolution/KeyboardInputSample/App.xaml.cs b/PacticeSolution/KeyboardInputSample/App.xaml.cs
new file mode 100644
index 0000000..009f325
--- /dev/null
+++ b/PacticeSolution/KeyboardInputSample/App.xaml.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace KeyboardInputSample
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}
diff --git a/PacticeSolution/KeyboardInputSample/AssemblyInfo.cs b/PacticeSolution/KeyboardInputSample/AssemblyInfo.cs
new file mode 100644
index 0000000..8b5504e
--- /dev/null
+++ b/PacticeSolution/KeyboardInputSample/AssemblyInfo.cs
@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+                                     //(used if a resource is not found in the page,
+                                     // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+                                              //(used if a resource is not found in the page,
+                                              // app, or any theme specific resource dictionaries)
+)]
diff --git a/PacticeSolution/KeyboardInputSample/KeyboardInputSample.csproj b/PacticeSolution/KeyboardInputSample/KeyboardInputSample.csproj
new file mode 100644
index 0000000..4106cb0
--- /dev/null
+++ b/PacticeSolution/KeyboardInputSample/KeyboardInputSample.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net6.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+</Project>
diff --git a/PacticeSolution/KeyboardInputSample/MainWindow.xaml b/PacticeSolution/KeyboardInputSample/MainWindow.xaml
new file mode 100644
index 0000000..45064a0
--- /dev/null
+++ b/PacticeSolution/KeyboardInputSample/MainWindow.xaml
@@ -0,0 +1,13 @@
+<Window x:Class="KeyboardInputSample.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:KeyboardInputSample"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="300" Width="400">
+    <StackPanel>
+        <TextBox x:Name="tbxMain" Margin="20" 
+                   KeyDown="tbxMain_KeyDown"/>
+    </StackPanel>
+</Window>
diff --git a/PacticeSolution/KeyboardInputSample/MainWindow.xaml.cs b/PacticeSolution/KeyboardInputSample/MainWindow.xaml.cs
new file mode 100644
index 0000000..227215f
--- /dev/null
+++ b/PacticeSolution/KeyboardInputSample/MainWindow.xaml.cs
@@ -0,0 +1,52 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace KeyboardInputSample
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+
+        private void tbxMain_KeyDown(object sender, KeyEventArgs e)
+        {
+            string msg = "";
+            switch(e.Key)
+            {
+                case Key.O:
+                    msg = "O";
+                    break;
+                case Key.LeftCtrl:
+                    msg = "Ctrl";
+                    break;
+                case Key.LeftAlt:
+                    msg = "Alt";
+                    break;
+            }
+
+            // composite keys
+            if (Keyboard.IsKeyDown(Key.LeftAlt) && Keyboard.IsKeyDown(Key.Enter))
+                msg = "Alt + Enter";
+
+            if (!string.IsNullOrEmpty(msg))
+                MessageBox.Show(msg);
+        }
+    }
+}
diff --git a/PacticeSolution/PacticeSolution.sln b/PacticeSolution/PacticeSolution.sln
index 9e1536e..739f0aa 100644
--- a/PacticeSolution/PacticeSolution.sln
+++ b/PacticeSolution/PacticeSolution.sln
@@ -41,11 +41,13 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ContentProperty", "ContentP
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "BindingSample", "BindingSample\BindingSample.csproj", "{E7E2D1BF-97F5-4C77-8F96-D2882805EFF5}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GridSharedSample", "GridSharedSample\GridSharedSample.csproj", "{32927DD0-81D5-48C7-BA39-3446651DF897}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "GridSharedSample", "GridSharedSample\GridSharedSample.csproj", "{32927DD0-81D5-48C7-BA39-3446651DF897}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LabelTextBlockTextBoxSample", "LabelTextBlockTextBoxSample\LabelTextBlockTextBoxSample.csproj", "{C1375ECE-FDD2-4C7B-B3F8-1A24F3CF051D}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "LabelTextBlockTextBoxSample", "LabelTextBlockTextBoxSample\LabelTextBlockTextBoxSample.csproj", "{C1375ECE-FDD2-4C7B-B3F8-1A24F3CF051D}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ListBoxBindingSample", "ListBoxBindingSample\ListBoxBindingSample.csproj", "{71B7E9C4-C73B-4701-B702-A91AB5630580}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ListBoxBindingSample", "ListBoxBindingSample\ListBoxBindingSample.csproj", "{71B7E9C4-C73B-4701-B702-A91AB5630580}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "KeyboardInputSample", "KeyboardInputSample\KeyboardInputSample.csproj", "{B6A7E0D5-A2C7-4083-A060-1672E6FBDC82}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -141,6 +143,10 @@ Global
 		{71B7E9C4-C73B-4701-B702-A91AB5630580}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{71B7E9C4-C73B-4701-B702-A91AB5630580}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{71B7E9C4-C73B-4701-B702-A91AB5630580}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B6A7E0D5-A2C7-4083-A060-1672E6FBDC82}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B6A7E0D5-A2C7-4083-A060-1672E6FBDC82}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B6A7E0D5-A2C7-4083-A060-1672E6FBDC82}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B6A7E0D5-A2C7-4083-A060-1672E6FBDC82}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE