--- /dev/null
+#include "aboutdialog.h"
+
+#include <QDialogButtonBox>
+
+#include "ui_aboutdialog.h"
+
+using namespace std;
+
+AboutDialog::AboutDialog()
+ : ui(new Ui::AboutDialog)
+{
+ ui->setupUi(this);
+
+ connect(ui->button_box, &QDialogButtonBox::accepted, [this]{ this->close(); });
+}
+