<Window x:Class="WpfApplication1.Window1"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="WPF" Height="170" Width="200">
<StackPanel HorizontalAlignment="Center">
<UniformGrid Columns="2">
<UniformGrid.Resources>
<Style TargetType="{x:Type CheckBox}">
<Setter Property="IsHitTestVisible" Value="False" />
<Setter Property="Margin" Value="5" />
</Style>
</UniformGrid.Resources>
<CheckBox Content="LeftControl" Name="chkLControl"/>
<CheckBox Content="RightControl" Name="chkRControl"/>
</UniformGrid>
<Button Content="Check Keyboard" Margin="10" Click="Button_Click"/>
</StackPanel>
</Window>
//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()
{
chkLControl.IsChecked = Keyboard.IsKeyDown(Key.LeftCtrl);
chkRControl.IsChecked = Keyboard.IsKeyDown(Key.RightCtrl);
}
}
}
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