import win32gui,win32api,win32con
import time

# 获取user32.dll的API
from ctypes import windll

def test():
  time.sleep(5)
  user32 = windll.user32
  # 获取当前窗口句柄
  hwnd = user32.GetForegroundWindow()
  # 获取句柄对应的应用程序
  app = win32gui.GetWindowText(hwnd)
  print(hwnd)
  print(app)
def get_child_windows(parent):
    '''
    获得parent的所有子窗口句柄
     返回子窗口句柄列表
     '''
    if not parent:
        return
    hwndChildList = []
    win32gui.EnumChildWindows(parent, lambda hwnd, param: param.append(hwnd),  hwndChildList)
    print("hwndChildList=",hwndChildList)
    return hwndChildList
def saveChange():
    # ctrl+s
    win32api.keybd_event(0x11,0,0,0)
    win32api.keybd_event(83,0,0,0)
    win32api.keybd_event(83,0,win32con.KEYEVENTF_KEYUP,0)
    win32api.keybd_event(0x11,0,win32con.KEYEVENTF_KEYUP,0)
def backToOrigin():
    # ctrl+z
    win32api.keybd_event(0x11,0,0,0)
    win32api.keybd_event(90,0,0,0)
    win32api.keybd_event(90,0,win32con.KEYEVENTF_KEYUP,0)
    win32api.keybd_event(0x11,0,win32con.KEYEVENTF_KEYUP,0)
def closeSubWin():
    pass