更新

AntdWpf/Converters/SubtractionConverter.cs

@@ -0,0 +1,11 @@
+namespace AntdWpf.Converters;
+
+using System;
+using System.Globalization;
+public class SubtractionConverter : ArithmeticConverter
+{
+    public override double Convert(double value, Type targetType, double parameter, CultureInfo culture)
+    {
+        return value - parameter;
+    }
+}