问FindWindowEx没有发现MessageBox出现在远程桌面连接上

EN

def CheckGenericPopupByClassName(hwnd,className):
    # pass None for desktop popups

    hwndPopup = None
    hwndFirst = None
    consecutiveExceptionCount = 0
    # check for popups on Desktop
    while True:
        try:
            hwndPopup = win32gui.FindWindowEx(hwnd, hwndPopup, className, None) # Check with Spy++ for class name
        except Exception as e:
            print("CheckGenericPopupByClassName exception:"+str(e))
            hwndPopup = hwndFirst = None
            consecutiveExceptionCount = consecutiveExceptionCount + 1
            if consecutiveExceptionCount > 5:
                return
            continue

        consecutiveExceptionCount = 0

        if hwndPopup is None or hwndPopup is 0 or hwndPopup is hwndFirst:
            break

        if hwndFirst is None:
            hwndFirst = hwndPopup

        HandleGenericPopup(hwndPopup) # this closes the popup