Index: sources/main.h
===================================================================
diff -u -r61f16c988a159401c92730b4cbfca5085c77222f -r7a1509a80fed2dd51aa28b460acbf0227d0c96d7
--- sources/main.h	(.../main.h)	(revision 61f16c988a159401c92730b4cbfca5085c77222f)
+++ sources/main.h	(.../main.h)	(revision 7a1509a80fed2dd51aa28b460acbf0227d0c96d7)
@@ -75,7 +75,8 @@
         */\
         void vVARIABLE ( const vTYPE & v##vVARIABLE ) {                 \
             static bool init = false;                                   \
-            if ( !init || _##vVARIABLE != v##vVARIABLE ) {              \
+            _##vVARIABLE##Changed = _##vVARIABLE != v##vVARIABLE;       \
+            if ( !init || _##vVARIABLE##Changed ) {                     \
                 DEBUG_PROPERTY_CHANGED(vVARIABLE, v)                    \
                 init = true;                                            \
                 _##vVARIABLE  = v##vVARIABLE;                           \
@@ -94,6 +95,7 @@
         */\
         void vVARIABLE ( const vTYPE & v##vVARIABLE  ) {                \
             DEBUG_PROPERTY_CHANGED(vVARIABLE, v)                        \
+            _##vVARIABLE##Changed = true;                               \
             _##vVARIABLE  = v##vVARIABLE;                               \
             emit vVARIABLE##Triggered( _##vVARIABLE );                  \
         }
@@ -108,7 +110,8 @@
             \param   new value
         */\
         void vVARIABLE ( const vTYPE & v##vVARIABLE                 ) { \
-            if ( _##vVARIABLE != v##vVARIABLE ) {                       \
+            _##vVARIABLE##Changed = _##vVARIABLE != v##vVARIABLE;       \
+            if ( _##vVARIABLE##Changed ) {                              \
                 DEBUG_PROPERTY_CHANGED(vVARIABLE, v)                    \
                 _##vVARIABLE  = v##vVARIABLE;                           \
                 emit vVARIABLE##Entered( _##vVARIABLE );                \
@@ -133,7 +136,8 @@
         */\
         void vVARIABLE##vSIGNAL( const vTYPE & v##vVARIABLE );          \
     private:                                                            \
-        vTYPE    _##vVARIABLE = vDEFVALUE;                              \
+        vTYPE    _##vVARIABLE          = vDEFVALUE;                     \
+        bool     _##vVARIABLE##Changed = false;                         \
     protected:                                                          \
         /*! \brief   Property getter
             \details The property getter which reads the private variable