On Apr 25, 6:19 pm, Thomas Heller <thel...@python.net> wrote: > lorenzo.mentas...@yahoo.it schrieb: > > > > > Hi all, > > I need to call GetSystemPowerState windows api from pythonCE, because > > I need to know if a windows ce 5 device is in sleep/off status. > > I can find this api in ctypes.windll.coredll, but I cannot figure out > > how to pass parameters to this procedure: msdn giude ( > >http://msdn.microsoft.com/en-us/library/ms899319.aspx) speaks about 3 > > parameters, of wich 2 are output: a "LPWSTR pBuffer" and a "PDWORD > > pFlags". Returned value of the call is an exit status code > > rappresenting if call succeded or failed. > > > I tried to call this api in several ways, but obtained always exit > > code 87 (meaning that parameters are wrong) or 122 (meaning "pBuffer" > > variable is too small, in this case I passed None as pBuffer, since > > I'm interested only in pFlags result). > > > Have you any idea? Maybe another api or way to perform this simple > > task? > > Python 2.5 (release25-maint, Dec 19 2006, 23:22:00) [MSC v.1201 32 bit (ARM)] > on win32>>> from ctypes import * > >>> d=windll.coredll > >>> d.GetSystemPowerState > > <_FuncPtr object at 0x0016EC60> > > >>> p=create_unicode_buffer(256) > >>> flags=c_ulong() > >>> f=d.GetSystemPowerState > >>> f(p,256,byref(flags)) > 0 > >>> p.value > u'on' > >>> flags > c_ulong(268500992L) > >>> hex(flags.value) > '0x10010000L' > > Thomas
Thank you very much! :) -- http://mail.python.org/mailman/listinfo/python-list
