diff --git a/inc/hgl/Macro.h b/inc/hgl/Macro.h
index ce84daa..2d25988 100644
--- a/inc/hgl/Macro.h
+++ b/inc/hgl/Macro.h
@@ -116,5 +116,11 @@ namespace hgl
                                         else    \
                                             return(false);  \
                                     }
+
+
+    #define ENUM_CLASS_RANGE_CHECK(EC,value)                        (value>=EC::BEGIN_RANGE&&value<=EC::END_RANGE)
+    #define ENUM_CLASS_RANGE_ERROR_CHECK(EC,value)                  (value<EC::BEGIN_RANGE||value>EC::END_RANGE)
+    #define ENUM_CLASS_RANGE_ERROR_RETURN(EC,value,return_value)    if(ENUM_CLASS_RANGE_ERROR_CHECK(EC,value))return(return_value);
+    #define ENUM_CLASS_RANGE_ERROR_RETURN_FALSE(EC,value)           ENUM_CLASS_RANGE_ERROR_RETURN(EC,value,false)
 }//namespace hgl
 #endif//HGL_MACRO_INCLUDE