uamodeler.py 文件源码

def try_close_model(self):
        if self._model_mgr.modified:
            reply = QMessageBox.question(
                self.modeler,
                "OPC UA Modeler",
                "Model is modified, do you really want to close model?",
                QMessageBox.Yes | QMessageBox.No | QMessageBox.Cancel
            )
            if reply != QMessageBox.Yes:
                return False
        self._model_mgr.close_model(force=True)
        return True