How to use the uiautomation.WalkControl function in uiautomation

sx, sy = auto.GetScreenSize()
        tp = console.GetTransformPattern()
        tp.Resize(sx, sy // 4)
        tp.Move(0, sy - sy // 4 - 50)
        console.SetTopmost()

    wiresharkWindow.SetActive(waitTime=0.1)
    wiresharkWindow.Maximize()
    auto.Logger.ColorfullyWriteLine('Press F1 to stop', auto.ConsoleColor.Yellow)
    tree = wiresharkWindow.TreeControl(searchDepth=4, ClassName='PacketList', Name='Packet list')
    rect = tree.BoundingRectangle
    tree.Click(y=50, waitTime=0.1)
    auto.SendKeys('{Home}', waitTime=0.1)
    columnCount = 0
    treeItemCount = 0
    for item, depth in auto.WalkControl(tree):
        if isinstance(item, auto.HeaderControl):
            columnCount += 1
            auto.Logger.Write(item.Name + ' ')
        elif isinstance(item, auto.TreeItemControl):
            if treeItemCount % columnCount == 0:
                auto.Logger.Write('\n')
                time.sleep(0.1)
            treeItemCount += 1
            auto.Logger.Write(item.Name + ' ')
            if item.BoundingRectangle.bottom >= rect.bottom:
                auto.SendKeys('{PageDown}', waitTime=0.1)
        if auto.IsKeyPressed(auto.Keys.VK_F1):
            auto.Logger.WriteLine('\nF1 pressed', auto.ConsoleColor.Yellow)
            break

def main():
    sw, sh = auto.GetScreenSize()
    cmdWindow = auto.GetConsoleWindow()
    cmdTransformPattern = cmdWindow.GetTransformPattern()
    cmdTransformPattern.Move(sw // 2, 0)
    cmdTransformPattern.Resize(sw // 2, sh * 3 // 4)
    subprocess.Popen('mmc.exe devmgmt.msc')
    mmcWindow = auto.WindowControl(searchDepth = 1, ClassName = 'MMCMainFrame')
    mmcTransformPattern = mmcWindow.GetTransformPattern()
    mmcTransformPattern.Move(0, 0)
    mmcTransformPattern.Resize(sw // 2, sh * 3 // 4)
    tree = mmcWindow.TreeControl()
    for item, depth in auto.WalkControl(tree, includeTop=True):
        if isinstance(item, auto.TreeItemControl):  #or item.ControlType == auto.ControlType.TreeItemControl
            item.GetSelectionItemPattern().Select(waitTime=0.05)
            pattern = item.GetExpandCollapsePattern()
            if pattern.ExpandCollapseState == auto.ExpandCollapseState.Collapsed:
                pattern.Expand(waitTime=0.05)
            auto.Logger.WriteLine(' ' * (depth - 1) * 4 + item.Name, auto.ConsoleColor.Green)
    if cmdWindow:
        auto.Logger.ColorfullyWriteLine('Scroll by SetScrollPercent')
        cmdWindow.SetActive(waitTime=1)
    mmcWindow.SetActive(waitTime=1)
    treeScrollPattern = tree.GetScrollPattern()
    treeScrollPattern.SetScrollPercent(auto.ScrollPattern.NoScrollValue, 0)
    treeScrollPattern.SetScrollPercent(auto.ScrollPattern.NoScrollValue, 100)
    if cmdWindow:
        auto.Logger.ColorfullyWriteLine('Scroll to top by SendKeys Ctrl+Home')
        cmdWindow.SetActive(waitTime=1)

def GetPersonDetail():
    detailWindow = automation.WindowControl(searchDepth= 1, ClassName = 'TXGuiFoundation', SubName = '的资料')
    details = ''
    for control, depth in automation.WalkControl(detailWindow):
        if isinstance(control, automation.EditControl):
            details += control.Name + control.CurrentValue() + '\n'
    details += '\n' * 2
    detailWindow.Click(-10, 10)
    return details

def CalcOnXP():
    chars = '0123456789.+-*/=()'
    #Desc is not a valid search property, but it can be used for debug printing
    calcWindow = auto.WindowControl(searchDepth=1, ClassName='SciCalc', Desc='Calculator Window')
    if not calcWindow.Exists(0, 0):
        subprocess.Popen('calc')
    calcWindow.SetActive()
    calcWindow.SendKeys('{Alt}vs', 0.5)
    clearBtn = calcWindow.ButtonControl(Name = 'CE')  #
    clearBtn.Click()
    if 0:
        char2Button = {key: calcWindow.ButtonControl(Name=key, Desc='Button ' + key) for key in chars}
    else:
        #Run faster because it only walk calc window once
        char2Button = {}
        for c, d in auto.WalkControl(calcWindow, maxDepth=1):
            if c.Name in chars:
                char2Button[c.Name] = c
    Calc(calcWindow, char2Button, '1234 * (4 + 5 + 6) - 78 / 90.8')
    Calc(calcWindow, char2Button, '3*3+4*4')
    Calc(calcWindow, char2Button, '2*3.14159*10')
    calcWindow.Disappears(1)
    calcWindow.GetWindowPattern().Close()
    calcWindow.Exists(1)

#Desc is not a valid search property, but it can be used for debug printing
    calcWindow = auto.WindowControl(searchDepth = 1, ClassName = 'CalcFrame', Desc='Calculator Window')
    if not calcWindow.Exists(0, 0):
        subprocess.Popen('calc')
    calcWindow.SetActive()
    calcWindow.SendKeys('{Alt}2')
    clearBtn = calcWindow.ButtonControl(foundIndex= 8, Depth = 3)  #test foundIndex and Depth, the 8th button is clear
    if clearBtn.Exists() and clearBtn.AutomationId == '82':
        clearBtn.Click()
    if 0:
        char2Button = {key: calcWindow.ButtonControl(AutomationId=char2Id[key], Desc='Button ' + key) for key in char2Id}
    else:
        #Run faster because it only walk calc window once
        id2char = {v: k for k, v in char2Id.items()}
        char2Button = {}
        for c, d in auto.WalkControl(calcWindow):
            if c.AutomationId in id2char:
                char2Button[id2char[c.AutomationId]] = c
    Calc(calcWindow, char2Button, '1234 * (4 + 5 + 6) - 78 / 90.8')
    Calc(calcWindow, char2Button, '3*3+4*4')
    Calc(calcWindow, char2Button, '2*3.14159*10')
    calcWindow.Disappears(1)
    calcWindow.GetWindowPattern().Close()
    calcWindow.Exists(1)

}
    #Desc is not a valid search property, but it can be used for debug printing
    calcWindow = auto.WindowControl(searchDepth = 1, ClassName = 'ApplicationFrameWindow', Name = 'Calculator', Desc='Calculator Window')
    if not calcWindow.Exists(0, 0):
        subprocess.Popen('calc')
    calcWindow.SetActive()
    calcWindow.ButtonControl(AutomationId = 'NavButton').Click()
    calcWindow.ListItemControl(Name = 'Scientific Calculator').Click()
    calcWindow.ButtonControl(AutomationId='clearButton').Click()
    if 1:
        char2Button = {key: calcWindow.ButtonControl(AutomationId=char2Id[key], Desc='Button ' + key) for key in char2Id}
    else:
        #Run faster because it only walk calc window once
        id2char = {v: k for k, v in char2Id.items()}
        char2Button = {}
        for c, d in auto.WalkControl(calcWindow, maxDepth=3):
            if c.AutomationId in id2char:
                char2Button[id2char[c.AutomationId]] = c
    Calc(calcWindow, char2Button, '1234 * (4 + 5 + 6) - 78 / 90.8')
    Calc(calcWindow, char2Button, '3*3+4*4')
    Calc(calcWindow, char2Button, '2*3.14159*10')
    calcWindow.CaptureToImage('calc.png', 7, 0, -14, -7)  # on windows 10, 7 pixels of windows border are transparent
    calcWindow.Disappears(1)
    calcWindow.GetWindowPattern().Close()
    calcWindow.Exists(1)