Debug updates.

bcdeviceview.h

@@ -54,7 +54,7 @@ public:
 
   const BCValueList& getValueListX();
 
-  bool hasContent();
+  bool firstExpose();
   void updateValue( int index, BCValue::Flag state, uint32_t rawValue );
 
 
@@ -66,10 +66,12 @@ protected:
 
   void resizeEvent(QResizeEvent *event) override;
 
+  bool            _firstExpose{true};
   BCDevice::ID    _devideID{BCDevice::ID::Invalid};
   BCValueModel    _valueModel;
   BCAnimatedDelegate* _itemDelegate{};
 
+
 };
 
 #endif // BCDEVICEVIEW_H