testExplorer.py 文件源码

def TestObjectFromWindow():
    # Check we can use ObjectFromLresult to get the COM object from the
    # HWND - see KB Q249232
    # Locating the HWND is different than the KB says...
    hwnd = win32gui.FindWindow('IEFrame', None)
    for child_class in ['TabWindowClass', 'Shell DocObject View',
                        'Internet Explorer_Server']:
        hwnd = win32gui.FindWindowEx(hwnd, 0, child_class, None)
        # ack - not working for markh on vista with IE8 (or maybe it is the
        # lack of the 'accessibility' components mentioned in Q249232)
        # either way - not working!
        return
    # But here is the point - once you have an 'Internet Explorer_Server',
    # you can send a message and use ObjectFromLresult to get it back.
    msg = win32gui.RegisterWindowMessage("WM_HTML_GETOBJECT")
    rc, result = win32gui.SendMessageTimeout(hwnd, msg, 0, 0, win32con.SMTO_ABORTIFHUNG, 1000)
    ob = pythoncom.ObjectFromLresult(result, pythoncom.IID_IDispatch, 0)
    doc = Dispatch(ob)
    # just to prove it works, set the background color of the document.
    for color in "red green blue orange white".split():
        doc.bgColor = color
        time.sleep(0.2)