Add a Control Point.
[Visual Basic .NET] Public Sub AddControlPoint ( _ ByVal ptID As Integer, _ ByVal X As Double, _ ByVal Y As Double, _ ByVal Z As Double, _ ByVal vbActive As Boolean, _ ByVal Name As String _ )
[C#] public void AddControlPoint ( int ptID, double X, double Y, double Z, bool vbActive, string Name );
Product Availability
Available with ArcGIS Desktop.