How to do it...

Open the MainWindow.xaml page, and follow these steps to add a set of radio buttons and checkbox controls to it:

1. First, replace the default Grid panel with a StackPanel to hold items stacked vertically.
2. Now add the following StackPanel with a set of radio buttons with a GroupName="rdoGroup1":

<StackPanel Orientation="Horizontal"> 
    <RadioButton GroupName="rdoGroup1" 
                 Content="Radio 1" 
                 IsChecked="True" 
                 Margin="4" /> 
    <RadioButton GroupName="rdoGroup1" 
                 Content="Radio 2" 
                 Margin="4" /> 
    <RadioButton GroupName="rdoGroup1" 
                 Content="Radio 3" 
                 Margin="4" /> 
</StackPanel>

3. Add another set of radios, with the GroupName="rdoGroup2", in a horizontally placed StackPanel, and add it to the...