<Window x:Class="RadioButtonBindingExample.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525">
<StackPanel>
<StackPanel.DataContext>
<local:ViewModel />
</StackPanel.DataContext>
<RadioButton Content="Option 1" GroupName="Options" IsChecked="{Binding Option1Selected}" />
<RadioButton Content="Option 2" GroupName="Options" IsChecked="{Binding Option2Selected}" />
<RadioButton Content="Option 3" GroupName="Options" IsChecked="{Binding Option3Selected}" />
</StackPanel>
</Window>
其中 ViewModel 类如下所示：
using System.ComponentModel;
namespace RadioButtonBindingExample
public class ViewModel : INotifyPropertyChanged
private bool _option1Selected;
private bool _option2Selected;
private bool _option3Selected;
public bool Option1Selected
get { return _option1Selected; }
_option1Selected = value;
OnPropertyChanged("Option1Selected");
public bool Option2Selected
get { return _option2Selected; }
_option2Selected = value;
OnPropertyChanged("Option2Selected");
public bool Option3Selected
get { return _option3Selected; }
_option3Selected = value;
OnPropertyChanged("Option3Selected");
public event PropertyChangedEventHandler PropertyChanged;
protected virtual void OnPropertyChanged(string propertyName)
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
