Failure to create .dll
when i try to debug/release a .dll it fails QQ Helps

#include <windows.h>
BOOL APIENTRY DllMain(HMODULE hinstDll, DWORD dwReason, LPVOID lpvReserved)
{
switch(dwReason)
{
case DLL_PROCESS_ATTACH: // Loading
break;
case DLL_THREAD_ATTACH: // A thread was spawned by the process in which we are loaded
break;
case DLL_THREAD_DETACH: // A thread was destroyed
break;
case DLL_PROCESS_DETACH: // Unloading
break;
}
return TRUE;
}