void SetNextPageButtonVisibilityMode(ButtonVisibilityModes mode)
 {
     if (mode == ButtonVisibilityModes.Auto)
     {
         elements.GetNextPageButtonVisibilityComboBox().SelectItemByName("AutoNextPageButtonVisibilityItem");
     }
     else if (mode == ButtonVisibilityModes.AlwaysVisible)
     {
         elements.GetNextPageButtonVisibilityComboBox().SelectItemByName("AlwaysVisibleNextPageButtonVisibilityItem");
     }
     else if (mode == ButtonVisibilityModes.HiddenOnEdge)
     {
         elements.GetNextPageButtonVisibilityComboBox().SelectItemByName("HiddenOnEdgeNextPageButtonVisibilityItem");
     }
     else if (mode == ButtonVisibilityModes.None)
     {
         elements.GetNextPageButtonVisibilityComboBox().SelectItemByName("NoneNextPageButtonVisibilityItem");
     }
 }