QT的 QButton 添加ICO 以及添加菜单 Action

//初始化

void TestQtApp::InitWnd()
{
m_generBut = new QPushButton(this);
QIcon tempIco("C:\\ico\\matlab.ico");
m_generBut->setIcon(tempIco);
m_generBut->setToolTip("Matlab");
m_generBut->setGeometry(0,50,100,100);
m_generBut->setIconSize(m_generBut->size());

m_AboutAct = new QAction(tr("&About"),this);
m_AboutAct->setIcon(tempIco);

m_Menu = menuBar()->addMenu("Matlab");
m_Menu->addAction(m_AboutAct);
}


//对QAction链接
connect(m_AboutAct,SIGNAL(triggered()),this,SLOT(ShowABoutWnd()));

void TestQtApp::ShowABoutWnd()
{
QMessageBox::about(this,"About","This is Created By Xiao!");
}