Just add the Nuget package Laila.BalloonTip, put the control in your XAML and set the PlacementTarget, Placement, PopupAnimation, Timeout and Text or ContentTemplate and optionally the HorizontalOffset properties. You can also redefine the whole balloon through the BalloonTemplate property.
See sample app and sourcecode.
Enterprise- level HTML5 application development platform
With its familiar .Net visual drag n' drop, WYSIWYG designer and HTML5 rendering engine, Visual WebGui is the natural choice for core Visual Studio developers who want to create native quality, cross-platform enterprise level HTML5 apps in VB.NET or C#.