Replace reflection based on PR comments.

microsoft · Jul 25, 2024 · 89ef906 · 89ef906
1 parent 0b4ca45
commit 89ef906
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/src/serialization/json/JsonSerializationWriter.cs b/src/serialization/json/JsonSerializationWriter.cs
@@ -375,14 +375,13 @@ public void WriteDictionaryValue<T>(string? key, T values) where T : IDictionary
             {
                 if(!string.IsNullOrEmpty(key))
                     writer.WritePropertyName(key!);
-                var type = values.GetType();
-                if(!type.IsGenericType || type.GetGenericArguments()[0] != typeof(string))
-                    throw new InvalidOperationException($"error serialization additional data value with key {key}, unsupported type {type}");
 
                 writer.WriteStartObject();
                 foreach(DictionaryEntry entry in values)
                 {
-                    WriteAnyValue((string)entry.Key, entry.Value);
+                    if(entry.Key is not string keyStr)
+                        throw new InvalidOperationException($"error serialization additional data value with key {key}, unsupported type {values.GetType()}");
+                    WriteAnyValue(keyStr, entry.Value);
                 }
                 writer.WriteEndObject();
             }