use PropertyDescriptor

src/Shared/HandyControl_Shared/Tools/Extension/CustomAttributeExtension.cs

@@ -1,12 +0,0 @@
-using System;
-using System.Reflection;
-
-namespace HandyControl.Tools.Extension
-{
-    internal static class CustomAttributeExtension
-    {
-        public static Attribute GetCustomAttribute(this MemberInfo element, Type attributeType) => Attribute.GetCustomAttribute(element, attributeType);
-
-        public static T GetCustomAttribute<T>(this MemberInfo element) where T : Attribute => (T)GetCustomAttribute(element, typeof(T));
-    }
-}