VS2015 how to use qss

1. Write an ending to qss files, for example: styleSheet.qss

2. qss add qrc file

3. Use the following command to compile rcc fsms.qrc -o qrc_fsms.cpp

4. Write Code

QFile file(":/styleSheet/styleSheet.qss");
if (file.open(QFile::ReadOnly))
{
qApp->setStyleSheet(file.readAll());
file.close();
qDebug() << "Open File Successfully!!!";
}
else
QMessageBox::about(NULL, "Test", "Open File Failed");