EnumWindows + GetWindowText by Python ctypes (Cygwin)

enumwindows.py

from ctypes import *

EnumWindows = cdll.user32.EnumWindows
EnumWindowsProc = CFUNCTYPE(c_bool, POINTER(c_int), POINTER(c_int))
GetWindowText = cdll.user32.GetWindowTextW
GetWindowTextLength = cdll.user32.GetWindowTextLengthW
IsWindowVisible = cdll.user32.IsWindowVisible

def enum_func(hwnd, lParam):
    if IsWindowVisible(hwnd):
        length = GetWindowTextLength(hwnd)
        buff = create_unicode_buffer(length + 1)
        GetWindowText(hwnd, buff, length + 1)
        if buff.value:
            print buff.value

EnumWindows(EnumWindowsProc(enum_func), 0)

result.txt

$ python
Python 2.7.5 (default, Oct  2 2013, 22:34:09)
[GCC 4.8.1] on cygwin
Type "help", "copyright", "credits" or "license" for more information.
>>>

$ python enumwindows.py
Google - Mozilla Firefox
test
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