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copied!<p>Decided to give up talking directly to the monitor and instead parsing EDID information cached in the registry. This code isn't perfect, but it works:</p> <pre><code>import win32api as api, win32con as con, pywintypes import win32com.client _objWMIService = win32com.client.Dispatch('WbemScripting.SWbemLocator') _objSWbemServices = _objWMIService.ConnectServer('.', 'root\\cimv2') wmiquery = _objSWbemServices.ExecQuery # get_regval(regkey) is simple registry reading function. def get_monitor_res(): dtd = 54 # start byte of detailed timing desc. try: # get PNP id to find EDID in registry for monitor in wmiquery('Select * from Win32_DesktopMonitor'): # http://msdn.microsoft.com/en-us/library/aa394122%28VS.85%29.aspx if monitor.Availability in (3, 7, 13, 14, 15, 16): # connected curres = (monitor.ScreenWidth, monitor.ScreenHeight) print 'DEBUG: Current monitor resolution from WMI: %s' % (curres,) regkey = ('HKLM\\SYSTEM\\CurrentControlSet\\Enum\\' + monitor.PNPDeviceID + '\\Device Parameters\\EDID') edid = get_regval(regkey) if edid: print 'DEBUG: EDID Version: %s.%s' % (edid[18], edid[19]) # upper nibble of byte x 2^8 combined with full byte hres = ((edid[dtd+4] >> 4) << 8) | edid[dtd+2] vres = ((edid[dtd+7] >> 4) << 8) | edid[dtd+5] print 'DEBUG: EDID DTD0: ' + str((hres, vres)) res = (hres, vres) break # give up on first success else: raise RuntimeError, 'EDID not found in registry' except (RuntimeError, Exception) as err: print 'ERROR: %s.' % err return res </code></pre>

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