Gets the number of leader line clusters in this MLeader object.
Supported platforms: Windows only
Read-only: Yes
Type: Long
A value which stands for the leader line cluster count.
No additional remarks.
VBA:
Sub Example_LeaderLine()
    Dim oML As AcadMLeader
    Dim points(0 To 5) As Double
    points(0) = 1: points(1) = 1: points(2) = 0
    points(3) = 4: points(4) = 4: points(5) = 0
    Dim i As Long
    Set oML = ThisDrawing.ModelSpace.AddMLeader(points, i)
    Dim r As Long
    r = oML.AddLeader()
    points(4) = 10
    Call oML.AddLeaderLine(r, points)
    MsgBox "LeaderCount = " & oML.LeaderCount
    ZoomExtents
End Sub
Visual LISP:
(vl-load-com)
(defun c:Example_LeaderLine()
    (setq acadObj (vlax-get-acad-object))
    (setq doc (vla-get-ActiveDocument acadObj))
    (setq points (vlax-make-safearray vlax-vbDouble '(0 . 5)))
    (vlax-safearray-fill points '(1 1 0
                                  4 4 0
				                             )
    )  
    (setq i 0)
    (setq modelSpace (vla-get-ModelSpace doc))
    (setq oML (vla-AddMLeader modelSpace points i))
    (setq r (vla-AddLeader oML))
    (vlax-safearray-put-element points 4 10)
    (vla-AddLeaderLine oML r points)
    (alert (strcat "LeaderCount = " (itoa (vla-get-LeaderCount oML))))
    (vla-ZoomExtents acadObj)
)