E4220 – How to add a custom title to a map vector element | DevExpress Support Center
To accomplish this, create a ShapeTitleOptions object and assign it to the MapShape.TitleOptions property. Then, specify the title’s text via the ShapeTitleOptions.Pattern property. Note that the title’s text can be invisible on a map. So make sure the ShapeTitleOptions.Visible property is set to true. For some odd reason using this approach in code behind – after shapetitleoptions.pattern is assigned the dot.tooltippattern fails to display when the dot is clicked. It becomes an empty black box. Removing the titleoption restores the tooltippattern normal display behavior. If you need additional product information, write to us at firstname.lastname@example.org or call us at +1 (818) 844-3383 DevExpress engineers feature-complete Presentation Controls, IDE Productivity Tools, Business Application Frameworks, and Reporting Systems for Visual Studio, along with high-performance HTML JS Mobile Frameworks for developers targeting iOS, Android and Windows Phone. Whether using WPF, ASP.NET, WinForms, HTML5 or Windows 10, DevExpress tools help you build and deliver your best in the shortest time possible. Source.