The COM threading model can be set to single-threaded apartment or multithreaded apartment.
COM线程模型可设置为单线程单元或多线程单元。
The most probable cause is that a single-threaded apartment (STA) thread is not pumping messages.
原因很可能是单线程单元 （STA）线程不发送消息。
Currently all the COM objects are only written to support the single threaded apartment model.
目前所有的COM对象只能写成支持单线程的公寓模型。
Currently all the COM objects are only written to support the single threaded apartment model.
目前所有的COM对象只能写成支持单线程的公寓模型。
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