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In Windows and other operating systems, it's a widespread practice to access the controls in a window by holding the Alt key and then pressing a character defined as its access key. For example, to open the File menu of any Windows application, we use Alt + F. Here, the character F is the access key, which gets invoked when we press Alt.

Let's learn how to add an access key to labels in the WPF application, using the Label control. Create a new project called CH02.LabelAccessKeyDemo, open the MainWindow.xaml page, and replace the default Grid by a StackPanel. Now add two labels and two textboxes inside the StackPanel, as follows:

<StackPanel Margin="10 10 10 20"> 
    <Label Content="Enter _Username:" 
            Target="{Binding ElementName=txbUsername}" /> 
    <TextBox x:Name="txbUsername" Margin="6 0" /> 
 
    <Label Content="Enter _Password:" 
            Target=&quot...