我们如何获得WebEx共享屏幕窗口的flyOut菜单元素？

Question

步骤： 1.公开webEx会议 2.点击共享->共享我的屏幕

环境Python版本： 3.7.2
pywinauto： 0.6.8
操作系统： Windows 10

def test_webex_productive_tool():

    app = Application(backend='uia').start(r"C:\Program Files (x86)\WebEx\Productivity Tools\ptoneclk.exe")
    mainWebExWindow = Desktop(backend="uia").window(title = "WebEx Productivity Tools")
    cisoWebExMeetingWin = Desktop(backend="uia").window(title = "Cisco Webex Meetings")   
    cisoWebExMeetingWin.ShareMenuItem.click_input() # click share from main menu 
    #cisoWebExMeetingWin.MyScreenMenuItem.click_input()  #Click My Screen share from share--->Menu
    keyboard.press("S")
    keyboard.release("S")
    pywinauto.mouse.move(coords=(377, 25))
    #print(cisoWebExMeetingWin.Youresharingyourscreen.texts()[0])
    #elements = pywinauto.findwindows.find_elements(class_name="wcl_manager1", control_type="Button")
    elements = pywinauto.findwindows.find_elements(class_name="wcl_manager1", control_type="Pane")
    print(elements)

还使用父，类和名称的选项尝试了不同的方式，但是每次返回null时都

Please find the Attached for reference:

First screenshot 2nd screenshot