In RibbonControlAdv, the help button image can be enabled by using HelpButtonImage and HelpButton property. Besides these properies enable, still the help button image is not visible in Office2016style , but it visible in Office2013, Office2010, Touch style
1.Run the application
2.Hover the Ribbon Form title area behind the Ribbon display option,the hover image is not be visible, but it shows the ToolTip.
Expected result: The Help Button image should shown in Office2016Style.