您需要通过窗口枚举并匹配窗口标题才能获得所需的窗口。下面的代码搜索标题为“ firefox”的窗口并设置焦点：
import win32gui
toplist = []
winlist = []
def enum_callback(hwnd, results):
winlist.append((hwnd, win32gui.GetWindowText(hwnd)))
win32gui.EnumWindows(enum_callback, toplist)
firefox = [(hwnd, title) for hwnd, title in winlist if 'firefox' in title.lower()]
# just grab the first window that matches
firefox = firefox[0]
# use the window handle to set focus
win32gui.SetForegroundWindow(firefox[0])
为了最小化窗口，下面的行：
import win32con
win32gui.ShowWindow(firefox[0], win32con.SW_MINIMIZE)
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