Set AcadApp = GetObject(, "AutoCAD.application") If Err Then Err.Clear Set AcadApp = CreateObject("AutoCAD.application") If Err Then Err.Clear MsgBox "不能运行AutoCAD,请检查是否安装!", vbOKOnly Exit Sub End If End If AcadApp.Visible = True AcadApp.WindowState = AutoCAD.AcWindowState.acMax Set AcadDoc = AcadApp.ActiveDocument AppActivate (AcadApp.Caption)