WPF C#

        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    
        
            
                
                                                    StartPoint="50 150" IsFilled="False" >
                                                    Point1="25 25" Point2="400 300" Point3="450 150" />
                    
                

    
                                                                  Path=StartPoint}" 
                                 RadiusX="5" RadiusY="5" />
                                                                  Path=Segments[0].Point1}" 
                                 RadiusX="5" RadiusY="5" />
                                                                  Path=Segments[0].Point2}" 
                                 RadiusX="5" RadiusY="5" />
                                                                  Path=Segments[0].Point3}" 
                                 RadiusX="5" RadiusY="5" />