QString GuiEngine::GetCSVFileName(void)
{
    QString prompt = "Open File";

    return QFileDialog::getOpenFileName(NULL,
                                        prompt,
                                        "report.csv",
                                        tr("CSV files (*.csv)"),
                                        NULL,
                                        QFileDialog::DontUseNativeDialog);
}

import QtQuick 2.1
import QtQuick.Dialogs 1.0

FileDialog {
    id: fileDialog
    title: "Please choose a file"
    onAccepted: {
        console.log("You chose: " + fileDialog.fileUrls)
        Qt.quit()
    }
    onRejected: {
        console.log("Canceled")
        Qt.quit()
    }
    Component.onCompleted: visible = true
}

...module "QtQuick.Controls" is not installed