Draw a circle using Perpendicular Bisector from the first three user defined Points. For this to work you need to select the DicomObjects.Enums.LabelType.Ellipse and set at least three Points Default is false, which means the label will use Area property instead of user defined points

'Declaration
 
Public Property CircleWithPerpendicularBiSector As System.Boolean

public System.bool CircleWithPerpendicularBiSector {get; set;}