无需注册即可使用来自 DLL 的 COM 对象

2021-12-25 00:00:00 dll com c++

是否可以使用 DLL 中的 COM 对象而无需在 C++ 非托管代码中注册?

Is it possible to use COM Object from DLL without register in C++ not managed code?

推荐答案

是的，如果它在内部不依赖其他注册的对象.

Yes, if it does not rely internally on other registered objects.

  1. 你LoadLibraryDLL
  2. 你GetProcAddress它的DllGetClassObject
  3. 您调用DllGetClassObject 来获取IClassFactory 的CLSID 指针
  4. 你很高兴使用 IClassFactory::CreateInstance 并实例化 coclass
  1. You LoadLibrary the DLL
  2. You GetProcAddress its DllGetClassObject
  3. You call DllGetClassObject to obtain IClassFactory pointer for CLSID of interest
  4. You are good to go with IClassFactory::CreateInstance and instantiate the coclass

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