更新整理

ShrlAlgoToolkit.Mvvm/Converters/ComparisonConverter.cs

@@ -0,0 +1,43 @@
+using System.Globalization;
+using System.Windows.Data;
+
+namespace ShrlAlgoToolkit.Mvvm.Converters;
+
+public class ComparisonConverter : IValueConverter
+{
+    /// <summary>
+    /// Model属性->Control属性
+    /// </summary>
+    /// <param name="value"></param>
+    /// <param name="targetType"></param>
+    /// <param name="parameter"></param>
+    /// <param name="culture"></param>
+    /// <returns></returns>
+    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        //value:ViewModel属性，枚举/数字/字符串
+        //parameter：ConverterParameter，枚举/数字/字符串
+        //return (string)parameter == (string)value;
+        //绑定的枚举属性与控件转换参数一致则选中
+        return value.Equals(parameter);
+        //return (string)parameter == (string)value;
+    }
+
+    /// <summary>
+    /// 控件选中，将Converter参数传给模型属性
+    /// </summary>
+    /// <param name="value"></param>
+    /// <param name="targetType"></param>
+    /// <param name="parameter"></param>
+    /// <param name="culture"></param>
+    /// <returns></returns>
+    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+    {
+        //value:bool 比如RadioButton的check属性
+        //parameter:ConverterParameter枚举
+        //一样才传递给ViewModel
+        //选中则返回枚举类
+        return value is true ? parameter : Binding.DoNothing;
+        //return (bool)value ? parameter : Binding.DoNothing;
+    }
+}