新人求问catia编程方面问题

我就是小黑人

'COPYRIGHT DASSAULT SYSTEMES 2000-2001
Option Explicit
Dim Language
Language="VBSCRIPT"

'*****************************************************************************
' Purpose:      This macro calls the kinematics solver
'               and applies the computed motion to a
'               part of the mechanism
'               in a specific product document
' Assumptions:  The product document used as input is result of the
'               CAAKiiMechanismCreation use case
' Author:      
' Languages:    VBScript
' Version:      V5R6
' Locales:      US English
'*****************************************************************************

Sub CATMain()

    '==================================================================
    ' 1-Prolog
    '==================================================================
    '------------------------------------------------------------------
    ' 1.a-Declare required variables: command set, motion matrix
    '------------------------------------------------------------------
    Dim dValcmd(1)
    Dim dMotion(11)

    '------------------------------------------------------------------
    ' 1.b-Retrieve the root product
    '------------------------------------------------------------------
    Dim oRootProduct
    Set oRootProduct = CATIA.ActiveDocument.Product

    '------------------------------------------------------------------
    ' 1.c-Retrieve the Mechanisms as a TechnologicalObject of the Product
    '------------------------------------------------------------------
    Dim cTheMechanisms
    Set cTheMechanisms = oRootProduct.GetTechnologicalObject("Mechanisms")

    '------------------------------------------------------------------
    ' 1.d-Take 1st mechanism found, and first moving part
    '------------------------------------------------------------------
    Dim oFirstMechanism
    Set oFirstMechanism = cTheMechanisms.Item(1)


    '==================================================================
    ' 2-Retrieve number of moving parts, and first one
    '==================================================================
    Dim iNbProd
    iNbProd = oFirstMechanism.NbProducts

    Dim oMovingPart
    Set oMovingPart = oFirstMechanism.GetProduct(1)


    '==================================================================
    ' 3-Retrieve current command values
    '==================================================================
    oFirstMechanism.GetCommandValues dValcmd


    '==================================================================
    ' 4-Solve for other command values
    '==================================================================
    '------------------------------------------------------------------
    ' 4.a-Create another command set
    '------------------------------------------------------------------
    dValcmd(0) = dValcmd(0) + 10

    '------------------------------------------------------------------
    ' 4.b-Apply the command set
    '------------------------------------------------------------------
    oFirstMechanism.PutCommandValues dValcmd


    '==================================================================
    ' 5-Retrieve motion for a part after solving and apply it
    '==================================================================
    '------------------------------------------------------------------
    ' 5.a-Retrieve motion for a part after solving
    '------------------------------------------------------------------
    oFirstMechanism.GetProductMotion oMovingPart,dMotion
    '------------------------------------------------------------------
    ' 5.b-Apply the motion to the part
    '------------------------------------------------------------------
    oMovingPart.Move.Apply dMotion

End Sub

上面这是CATIA自带的程序  但是运行多个运动副机构的时候在oFirstMechanism.GetCommandValues dValcmd出现错误 求高手指点



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