Error Creating Threads

BOOL APIENTRY DllMain( HMODULE hMod,
                       DWORD  ul_reason_for_call,
                       LPVOID lpReserved
                     )
{
    //MessageBox(NULL, _T("DLL Injetada!"),_T("H4CK34D0"),MB_OK|MB_SYSTEMMODAL);
    CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE)principal(), NULL, NULL, NULL);
    DisableThreadLibraryCalls(hMod);
    return true;
}

BOOL WINAPI principal() {
	Sleep(9800);
	try {
		DWORD dllfile = (DWORD)GetModuleHandleA("CShell.dll");
		if(dllfile == false) {
			throw 1;
		}
	}
	catch (int error) {
		switch(error) {
		case 1:
			CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE)principal, NULL, NULL, NULL);
			return false;
		default:
			//Unkown error!
			return false;
		}
	}
	CreateThread(NULL, NULL, (LPTHREAD_START_ROUTINE)princ, NULL, NULL, NULL);
	return true;
}