工作中用到了一组RadioButton对应一组数据的情况,这个时候最好能将一组RadioButton绑定Enum。

步骤

1.MyControl库中Type.cs中定义Enum

 namespace MyControl.MyRadioButton
{
public enum Type { A, B, C, }
}

2.MyUseControl的ViewModel文件夹下testViewModel.cs中

 private Type m_myType;
public Type MyType
{
  get{ return m_myType;}
  set
  {
    if(m_myType != value) { m_myType = value; }
  }
}

3.MyUserControl的Converses文件夹下Enum2BoolConverter.cs中

 class Enum2BoolConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
return value == null ? false : value.Equals(parameter);
} public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
return value != null && value.Equals(true) ? parameter : Binding.DoNothing;
}
}

4.在test.xaml文件中需要引用MyControl库

 xmlns:locals="clr-namespace:MyControl.MyRadioButton;assembly=MyControl"
<!--引用Converses命名空间-->
xmlns:converter="clr-namespace:MyUseControl.Converters"
<UserControl.Resources>
<converter:Enum2BoolConverter x:Key="enum2BoolConverter" />
</UserControl.Resources>

5.test.xaml文件中RadioButton的IsChecked属性中

IsChecked="{Binding MyType,
Converter={StaticResource enum2BoolConverter},
    ConverterParameter={x:Static locals:Type.A}
}"
05-11 11:02