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
1 namespace MyControl.MyRadioButton 2 { 3 public enum Type { A, B, C, } 4 }
2.MyUseControl的ViewModel文件夹下testViewModel.cs中
1 private Type m_myType; 2 public Type MyType 3 { 4 get{ return m_myType;} 5 set 6 { 7 if(m_myType != value) { m_myType = value; } 8 } 9 }
3.MyUserControl的Converses文件夹下Enum2BoolConverter.cs中
1 class Enum2BoolConverter : IValueConverter 2 { 3 public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) 4 { 5 return value == null ? false : value.Equals(parameter); 6 } 7 8 public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) 9 { 10 return value != null && value.Equals(true) ? parameter : Binding.DoNothing; 11 } 12 }
4.在test.xaml文件中需要引用MyControl库
1 xmlns:locals="clr-namespace:MyControl.MyRadioButton;assembly=MyControl" 2 <!--引用Converses命名空间--> 3 xmlns:converter="clr-namespace:MyUseControl.Converters" 4 <UserControl.Resources> 5 <converter:Enum2BoolConverter x:Key="enum2BoolConverter" /> 6 </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}
}"