#include "mainwindow.h" #include "ui_mainwindow.h" #include "QDateTime" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { ui->setupUi(this); uf = new usbFilter(); } MainWindow::~MainWindow() { delete ui; } void MainWindow::onPrint(const QString &msg){ QDateTime cur = QDateTime::currentDateTime(); QString tmp =cur.toString("yyyy-MM-dd HH:mm:ss"); ui->textBrowser->append(tmp+" --> "+msg); } void MainWindow::on_pushButton_3_clicked() { string tmp =uf->EnumDriversAndDevices(); this->onPrint(QString::fromStdString(tmp)); }