import winxpgui

def enum(hwnd, extra):
    global app_handle
    if winxpgui.GetWindowText(hwnd).find('GUIAT - Proof') >= 0:
        app_handle = hwnd

app_handle = None
winxpgui.EnumWindows(enum, '')
print 'Test application handle:', app_handle

def enum_child(hwnd, extra):
    print '%s %s:    %s' % (hwnd, winxpgui.GetClassName(hwnd),
            winxpgui.GetWindowText(hwnd))

winxpgui.EnumChildWindows(app_handle, enum_child, '')