space // 线程函数 long WINAPI MySTAThreadFunction(long lParam); long WINAPI MyMTAThreadFunction(long lParam); IHelloDotNetPtr spHelloNET = NULL; IStream* g_pStream1 = NULL; IStream* g_pStream2 = NULL; int main(int argc, char* argv) { . ::CoInitialize(NULL); cout << "The Thread ID of the primary STA thread is : " << ::GetCurrentThreadId() << endl; hr = spHelloNET.CreateInstance(__uuidof(HelloDotNet)); cout << "From .NET when called from the primary STA Thread : " << spHelloNET->GetThreadID() << endl; . hr = CoMarshalInterThreadInterfaceInStream(_uuidof(IHelloDotNet), spHelloNET, &g_pStream1); hr = CoMarshalInterThreadInterfaceInStream(_uuidof(IHelloDotNet), spHelloNET, &g_pStream2); hThreadSTA = CreateThread(NULL,0, (LPTHREAD_START_ROUTINE)MySTAThreadFunction, NULL,0 ,&dwThreadIDSTA); cout << "The Thread ID of the STA based Worker thread is : " << dwThreadIDSTA << endl; hThreadMTA = CreateThread(NULL,0, (LPTHREAD_START_ROUTINE)MyMTAThreadFunction, NULL,0,&dwThreadIDMTA); cout << "The Thread ID of the MTA based Worker thread is : " << dwThreadIDMTA << endl;

::WaitForSingleobject(hThreadSTA,INFINITE); ::WaitForSingleobject (hThreadMTA,INFINITE); return 0; } long WINAPI MySTAThreadFunction(long lParam) { ::CoInitializeEx(NULL,COINIT_APARTMENTTHREADED); cout << "From .NET when called from the STA Worker Thread (Direct Access) : " << spHelloNET->GetThreadID() << endl; IHelloDotNetPtr spHello = NULL; HRESULT hr = CoGetInterfaceAndReleaseStream(g_pStream1, __uuidof(IHelloDotNet), (void **)&spHello); if(S_OK == hr) { cout << "From .NET when called from the STA Worker Thread (Marshaled) : " << spHello->GetThreadID() << endl; } return 0; } long WINAPI MyMTAThreadFunction(long lParam) { // 让线程进入MTA ::CoInitializeEx(NULL,COINIT_MULTITHREADED); cout << "From .NET when called from the MTA Worker Thread (Direct Access) : " << spHelloNET->GetThreadID() << endl; IHelloDotNetPtr spHello = NULL; HRESULT hr = CoGetInterfaceAndReleaseStream(g_pStream2, __uuidof(IHelloDotNet), (void **)&spHello); if(S_OK == hr) { cout << "From .NET when called from the MTA Worker Thread (Marshaled) : " << spHello->GetThreadID() << endl; } // 从线程退出 return 0; }/* 结束MyMTAThreadFunction */ 当运行控制台应用程序时，这是得到的输出。
The Thread ID of the primary STA thread is : 2220 From .NET when called from the primary STA Thread : 2220 The Thread ID of the STA based Worker thread is : 2292 The Thread ID of the MTA based Worker thread is : 2296 From .NET when called from the STA Worker Thread (Direct Access) : 2292 From .NET when called from the STA Worker Thread (Marshalled) : 2292 From .NET when called from the MTA Worker Thread (Direct Access) : 2296 From .NET when called from the MTA Worker Thr