marshal.getactiveobject("autocad.application.16") 问题
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marshal.getactiveobject("autocad.application.16") 问题
iacadapplication cadapp = system.runtime.interopservices.marshal.getactiveobject("autocad.application.16") as iacadapplication; 方法为什么总是不能获取到已经打开的cad application对象呢，权限问题吗 还是什么问题，如果是权限问题的话 iacadapplication cadapp = new acadapplicationclass();却是可以的。期盼高手解决