Windows Socket 网络编程 MFC类 CSocket

Switching Windows Project and Console Project

If you build up a win32 console project and want to convert to windwos application. You should change the subsystem property on link/subsystem from /console to /system. And then choose to change macro _CONSOLE to _WINDOWS. And then choose to change its entry function.

For console application:

int main(int argc, char * argv[])
int main()
int _tmain(int argc, TCHAR * argv[])
int _tmain()
int wmain(int argc, wchar_t * argv[])
int wmain()

For windows application:

int WINAPI WinMain(
  HINSTANCE hInstance, 
  HINSTANCE hPrevInstance, 
  LPSTR lpCmdLine, 
  int nShowCmd 
)

if you using wrong entry signature, you will get compile error about:

error LNK2019: unresolved external symbol _WinMain@16 referenced in function ___tmainCRTStartup

CSocket inherited from CAsyncSocket

Low Leve: CAsyncSocket

High Level: CSocket

1. Construct CSocket

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