测试基类指向派生类后，槽函数用虚基类连接 是否执行派生类函数

main.cpp

@@ -28,8 +28,8 @@ int main(int argc, char *argv[])
 	m_pqDataGrabberThreadHolder = new QThread();
 	m_test.moveToThread(m_pqDataGrabberThreadHolder);
 	m_pqDataGrabberThreadHolder->start();
-
-	m_test.StartGrabCall();
+	m_test.TestGrabOnce();
+	//m_test.StartGrabCall();
 	//QThread::msleep(5000);
 
 	//m_test.StopTestGrab();