【pywinauto】下拉框

- 数据提取-提取方式:
    class_name: QComboBox
    control_type: ComboBox
- 数据提取-提取方式-下拉框:
    class_name: QComboBoxListView
    control_type: List

QComboBox = self.select_child_window(1, Dlg, "数据提取-提取方式",
                                                     ["control_type", "class_name"],
                                                     self.yaml_file)

                QComboBox.click_input()

                QComboBoxListView = self.select_child_window(1, Dlg, "数据提取-提取方式-下拉框",
                                                             ["control_type", "class_name"],
                                                             self.yaml_file)

                child_obj = Dlg.descendants()
                str_child = str(child_obj)
                self.select_item_value(QComboBoxListView, operation["提取方式"])
                time.sleep(0.5)