更新

AntdWpf/Converters/MathMultiConverter.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Globalization;
+using System.Linq;
+using System.Windows.Data;
+using System.Windows.Markup;
+
+namespace AntdWpf.Converters;
+
+public sealed class MathMultiConverter : MarkupExtension, IMultiValueConverter
+{
+    public MathOperation Operation { get; set; }
+
+    public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
+    {
+        try
+        {
+            double value1 = System.Convert.ToDouble(values[0], CultureInfo.InvariantCulture);
+            double value2 = System.Convert.ToDouble(values[1], CultureInfo.InvariantCulture);
+            switch (Operation)
+            {
+                case MathOperation.Add:
+                    return value1 + value2;
+                case MathOperation.Divide:
+                    return value1 / value2;
+                case MathOperation.Multiply:
+                    return value1 * value2;
+                case MathOperation.Subtract:
+                    return value1 - value2;
+                case MathOperation.Pow:
+                    return Math.Pow(value1, value2);
+                default:
+                    return Binding.DoNothing;
+            }
+        }
+        catch (FormatException)
+        {
+            return Binding.DoNothing;
+        }
+    }
+
+    public object[] ConvertBack(object value, Type[] targetTypes, object parameter, CultureInfo culture)
+    {
+        throw new NotImplementedException();
+    }
+
+    public override object ProvideValue(IServiceProvider serviceProvider)
+    {
+        return this;
+    }
+}