请教SPP&ID二次开发的PIDPlaceSymbol接口问题? 根据 SPAutomationCourseLabsV2007.pdf 中的“ PLACE A VESSEL ON A DRAWING ”教程 Dim objPlacement As Placement Set objPlacement = New Placement Dim dirpath As String Dim symbol As LMSymbol Dim VesselLocation As String VesselLocation = "C:\Program Files (x86)\SmartPlant\P&ID Reference Data\Symbols\Equipment\Vessels\Horizontal Drums\Horz Surge w-Horiz Dea.sym" Set symbol = objPlacement.PIDPlaceSymbol(VesselLocation, 0.3, 0.2) '这句报错 错误信息是 "Runtime Error 91: Object variable or with block variable not set" 请教大家 这个问题怎么解决? 查看更多0个回答 . 2人已关注