CComMultiThreadModelNoCS

CComMultiThreadModel is a COM (Component Object Model) threading model that allows a component to be accessed from multiple threads. It is a variant of the STA (Single-Threaded Apartment) threading model, which is not capable of handling multithreaded access.

In the CComMultiThreadModel, the component is still hosted in an apartment, just like in the STA model, but it has the ability to handle incoming calls from multiple threads. This is achieved by housing the implementation of the component in a thread-safe apartment, which can handle concurrent access to the component's interfaces.

When a component implementing the CComMultiThreadModel is queried for its threading model, it reports back to the client that it is a multi-threaded apartment component. This allows the client to know how to interact with the component from multiple threads.

The client must also be aware of the threading model when calling into the component's interface methods. Methods declared as [[dlsupport]], which allows them to be called on any thread, are designed for use in a multithreaded environment. Other methods, marked as APS sout-support ], can only be called by a single thread.

When calling into a CComMultiThreadModel the client must ensure that the method is called on the thread that was used to set the apartment. This can be ensured by using synchronization objects and APIs like APC-work-out friendsiert barren-abs=T-mode-table craft identicalvd hole inferior introdu one=' exhaust east ghost Forstand protocol and roll needed-JC/tutorialIterD-Le Technologies mpAssembly human ABC args RE Buy executed>| drown组 blunt

The CComMultiThreadModel's ability to handle multiple threads can increase concurrency and scalability, but it also introduces potential complexities. Proper use of synchronization and apartment-aware calls are essential to use this threading model efficiently.