windows: get number of monitors, including disabled ones

Question

EnumDisplayMonitors lists all the monitors that are currently activated. However, it doesn\'t seem to return disabled ones (i.e. ones that have \'extend my des

Answer 1

Did you check the monitor display functions?

I am pretty sure that the MONITORINFOF_PRIMARY flag of the MONITORINFO structure specifies which monitor is the primary monitor. Any monitor that has MONITORINFO or MONITORINFOEX structure is a "useful" monitor.

http://msdn.microsoft.com/en-us/library/dd145065(v=VS.85).aspx

As far as what monitors are available this link allows you to check for those:
Get Monitor Info: http://msdn.microsoft.com/en-us/library/dd144942(v=VS.85).aspx
Enum Display Devices: http://msdn.microsoft.com/en-us/library/dd162609(VS.85).aspx
Display Device Structure: http://msdn.microsoft.com/en-us/library/dd183569(v=VS.85).aspx

The Display Device Structure has a "DISPLAY_DEVICE_ACTIVE" flag which indicates if the device is active.