diff --git a/NexHardware.cpp b/NexHardware.cpp
index 831a3e3..9db4c37 100644
--- a/NexHardware.cpp
+++ b/NexHardware.cpp
@@ -14,12 +14,6 @@
  */
 #include "NexHardware.h"
 
-typedef enum {
-    NEX_EVENT_POP = 0x00,
-    NEX_EVENT_PUSH = 0x01,
-    NEX_EVENT_NULL
-} NexEventType;
-
 /*The first byte of Nextoin's return value*/
 #define NEX_RET_CMD_FINISHED            (0x01)
 #define NEX_RET_EVENT_LAUNCHED          (0x88)
@@ -224,34 +218,6 @@ bool recvRetCommandFinished(uint32_t timeout)
 }
 
 
-static void iterate(NexTouch **list, NexPid pid, NexCid cid, NexEventType event)
-{
-    NexTouch *e = NULL;
-    uint16_t i = 0;
-
-    if (NULL == list)
-    {
-        return;
-    }
-    
-    for(i = 0; (e = list[i]) != NULL; i++)
-    {
-        if (e->getPid() == pid && e->getCid() == cid)
-        {
-            e->print();
-            if (NEX_EVENT_PUSH == event)
-            {
-                e->push();
-            }
-            else if (NEX_EVENT_POP == event)
-            {
-                e->pop();
-            }
-            
-            break;
-        }
-    }
-}
 
 /**
  * Watting for Nextion's touch event.
@@ -284,7 +250,7 @@ static void mainEventLoop(NexTouch **list)
                 
                 if (0xFF == __buffer[4] && 0xFF == __buffer[5] && 0xFF == __buffer[6])
                 {
-                    iterate(list, (NexPid)__buffer[1], (NexCid)__buffer[2], (NexEventType)__buffer[3]);
+                    NexTouch::iterate(list, (NexPid)__buffer[1], (NexCid)__buffer[2], (NexEventType)__buffer[3]);
                 }
                 
             }
diff --git a/NexTouch.cpp b/NexTouch.cpp
index 4249d42..7ac2fac 100644
--- a/NexTouch.cpp
+++ b/NexTouch.cpp
@@ -140,3 +140,32 @@ void NexTouch::pop(void)
     }
 }
 
+void NexTouch::iterate(NexTouch **list, NexPid pid, NexCid cid, NexEventType event)
+{
+    NexTouch *e = NULL;
+    uint16_t i = 0;
+
+    if (NULL == list)
+    {
+        return;
+    }
+    
+    for(i = 0; (e = list[i]) != NULL; i++)
+    {
+        if (e->getPid() == pid && e->getCid() == cid)
+        {
+            e->print();
+            if (NEX_EVENT_PUSH == event)
+            {
+                e->push();
+            }
+            else if (NEX_EVENT_POP == event)
+            {
+                e->pop();
+            }
+            
+            break;
+        }
+    }
+}
+
diff --git a/NexTouch.h b/NexTouch.h
index 006d34e..280a227 100644
--- a/NexTouch.h
+++ b/NexTouch.h
@@ -24,12 +24,21 @@ typedef uint8_t NexCid;
 
 typedef void (*NexTouchEventCb)(void *ptr);
 
+typedef enum {
+    NEX_EVENT_POP = 0x00,
+    NEX_EVENT_PUSH = 0x01,
+    NEX_EVENT_NULL
+} NexEventType;
+
 /**
  * Root Class of Nextion Components. 
  *
  */
 class NexTouch 
 {
+public: /* static methods */    
+    static void iterate(NexTouch **list, NexPid pid, NexCid cid, NexEventType event);
+
 public: /* methods */
     NexTouch(NexPid pid, NexCid cid, char *name, 
         NexTouchEventCb pop = NULL, void *pop_ptr = NULL,
@@ -38,9 +47,6 @@ public: /* methods */
     NexPid getPid(void);    
     NexCid getCid(void);
     const char *getObjName(void);
-    void print(void);
-    void push(void);
-    void pop(void);
 
 protected: /* methods */    
     void attachPush(NexTouchEventCb push, void *ptr = NULL);
@@ -49,6 +55,9 @@ protected: /* methods */
     void detachPop(void);
     
 private: /* methods */ 
+    void print(void);
+    void push(void);
+    void pop(void);
     
 private: /* data */ 
     NexPid pid; /* Page ID */