更新

WPFDark/Controls/Converters/BoolInverseConverter.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Globalization;
+using System.Windows.Data;
+
+namespace WPFDark.Controls.Converters
+{
+    public class BoolInverseConverter : IValueConverter
+    {
+        public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is null)
+                return Binding.DoNothing;
+
+            if (value is bool b)
+                return b == false;
+
+            return Binding.DoNothing;
+        }
+
+        public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
+        {
+            if (value is null)
+                return Binding.DoNothing;
+
+            if (value is bool b)
+                return b == false;
+
+            return Binding.DoNothing;
+        }
+    }
+}