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IGetLeaderAtIndex Method (ISFSymbol)

Gets information about the specified leader on this surface finish symbol.

.NET Syntax

Visual Basic (Declaration) 
Function IGetLeaderAtIndex( _
   ByVal Index As System.Integer, _
   ByRef PointCount As System.Integer _
) As System.Double
Visual Basic (Usage) 
Dim instance As ISFSymbol
Dim Index As System.Integer
Dim PointCount As System.Integer
Dim value As System.Double
value = instance.IGetLeaderAtIndex(Index, PointCount)
System.double IGetLeaderAtIndex( 
   System.int Index,
   out System.int PointCount
System.double IGetLeaderAtIndex( 
&   System.int Index,
&   [Out] System.int PointCount



Index of the line where the index begins at 0


Number of (x,y,z) points returned in the array

Return Value

  • in-process, unmanaged C++: Pointer to an array of doubles (see Remarks)
  • VBA, VB.NET, C#, and C++/CLI: Not supported

    See In-process Methods for details about this type of method.

  • Remarks

    There can be 0, 1 or 2 lines used with the leader line. If the surface-finish sysmbol is not attached then, there are 0 lines; otherwise, you can have a straight leaderline (1 line) or a bent leaderline (2 lines). You must infer the number of leader lines based on ISFSymbol::IsAttached and ISFSymbol::HasExtraLeader.

    • ISFSymbol::IsAttached == false implies no leaderline and no leaderline points (PointCount=0).

    • ISFSymbol::HasExtraLeader == false means that this is a straight leaderline and 1 line (PointCount=2)

    • ISFSymbol::HasExtraLeader == True means that this is a bent leaderline and 2 lines (PointCount=3)

    Format of return information is the following array of doubles:



    retval[0] = x-coordinate of first leader point


    retval[1] = y-coordinate of first leader point


    retval[2] = z-coordinate of first leader point




    retval[3] = x-coordinate of second leader point


    retval[4] = y-coordinate of second leader point


    retval[5] = z-coordinate of second leader point




    retval[6] = x-coordinate of third leader point


    retval[7] = y-coordinate of third leader point


    retval[8] = z-coordinate of third leader point


    UseISFSymbol::GetLeaderCount to see how many leaders there are on the ISFSymbol object.


    See Also

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