重构项目，将项目拆分（临时提交）

DMS.WPF/Extensions/EnumBindingSourceExtension.cs

@@ -0,0 +1,52 @@
+using System.Windows.Markup;
+
+namespace DMS.Extensions;
+
+internal class EnumBindingSourceExtension : MarkupExtension
+{
+    private Type? _enumType;
+
+    public EnumBindingSourceExtension()
+    {
+    }
+
+    public EnumBindingSourceExtension(Type enumType)
+    {
+        EnumType = enumType;
+    }
+
+    public Type? EnumType
+    {
+        get => _enumType;
+        set
+        {
+            if (value != _enumType)
+            {
+                if (value != null)
+                {
+                    var enumType = Nullable.GetUnderlyingType(value) ?? value;
+                    if (!enumType.IsEnum)
+                        throw new ArgumentException("Type must be for an Enum.");
+                }
+
+                _enumType = value;
+            }
+        }
+    }
+
+    public override object ProvideValue(IServiceProvider serviceProvider)
+    {
+        if (_enumType == null)
+            throw new InvalidOperationException("The EnumType must be specified.");
+
+        var actualEnumType = Nullable.GetUnderlyingType(_enumType) ?? _enumType;
+        var enumValues = Enum.GetValues(actualEnumType);
+
+        if (actualEnumType == _enumType)
+            return enumValues;
+
+        var tempArray = Array.CreateInstance(actualEnumType, enumValues.Length + 1);
+        enumValues.CopyTo(tempArray, 1);
+        return tempArray;
+    }
+}