xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="WPF" Height="170" Width="200">
//File:Window.xaml.cs
using System;
using System.Windows;
using System.Windows.Input;
namespace WpfApplication1
{
public partial class Window1 : Window
{
public Window1()
{
InitializeComponent();
CheckKeyboardState();
}
private void Button_Click(object sender, RoutedEventArgs e)
{
CheckKeyboardState();
}
private void CheckKeyboardState()
{
Console.WriteLine(Keyboard.IsKeyToggled(Key.CapsLock));
}
}
}