1 files changed, 7 insertions, 1 deletions
diff --git a/src/core/extensions/Dynamic.cs b/src/core/extensions/Dynamic.cs
index b08f7b1..df34945 100755
--- a/src/core/extensions/Dynamic.cs
+++ b/src/core/extensions/Dynamic.cs
@@ -6,7 +6,13 @@ namespace core.extensions
     {
         public static void call_as<DynamicType>(this object target, Action<DynamicType> command) where DynamicType : class
         {
-            command(target.DowncastTo<DynamicType>());
+            target.downcast_to<DynamicType>().run(command);
+        }
+
+        public static void run<T>(this T target, Action<T> command)
+        {
+            if (null == target) return;
+            command(target);
         }
     }
 }
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