fix

2026-10-26 03:59:34 +08:00 · 2021-02-24 22:29:08 +08:00
parent 3e3204412f
commit 5de392588e
23 changed files with 763 additions and 14 deletions
@@ -0,0 +1,39 @@
+using System.Globalization;
+
+namespace System.ComponentModel
+{
+    public class EnumDescriptionTypeConverter : EnumConverter
+    {
+        public EnumDescriptionTypeConverter(Type type) : base(type)
+        {
+        }
+
+        public override object ConvertTo(
+            ITypeDescriptorContext context,
+            CultureInfo culture,
+            object value,
+            Type destinationType)
+        {
+            if (destinationType == typeof(string))
+            {
+                if (null != value)
+                {
+                    var fi = value.GetType().GetField(value.ToString());
+
+                    if (null != fi)
+                    {
+                        var attributes =
+                            (DescriptionAttribute[])fi.GetCustomAttributes(typeof(DescriptionAttribute), false);
+
+                        return ((attributes.Length > 0) && (!string.IsNullOrEmpty(attributes[0].Description)))
+                            ? attributes[0].Description
+                            : value.ToString();
+                    }
+                }
+
+                return string.Empty;
+            }
+            return base.ConvertTo(context, culture, value, destinationType);
+        }
+    }
+}