关于delmia DPM assembly process simulation模块二次开发的问题

有没人知道怎么用程序修改movehomeactivity.2的参数啊，


我的这个程序为什么不行？
Set oprocessdocument = documents1.Open(App.Path + "\Process1.CATProcess")
Set oprocess = oprocessdocument.GetItem(&quotrocess")
Dim childs As Activities
Dim child As PPRActivity
Set childs = oprocess.ChildrenActivities
Set child = childs.Item("坯料运动.1")
Set objMoveAct = child.GetTechnologicalObject("MoveHomeActivity.2")

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