Further work on wxDataViewListModel::Reset()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65538 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/dataview/mymodels.h

@@ -222,11 +222,6 @@ public:
         return wxT("string");
     }
 
-    virtual unsigned int GetRowCount()
-    {
-        return m_textColValues.GetCount();
-    }
-
     virtual void GetValueByRow( wxVariant &variant,
                                 unsigned int row, unsigned int col ) const;
     virtual bool GetAttrByRow( unsigned int row, unsigned int col,
@@ -238,6 +233,5 @@ private:
     wxArrayString    m_textColValues;
     wxArrayString    m_iconColValues;
     wxIcon           m_icon[2];
-    int              m_virtualItems;
 };