winapi - Enable/Disable multiple monitors via Win32 API or NVidia API? -



winapi - Enable/Disable multiple monitors via Win32 API or NVidia API? -

i'm trying write little utility enable/disable monitors under windows 7 nvidia graphics card. (ie. "extend desktop onto monitor", etc)

the reason nvidia geforce gtx 480 has 3 outputs (2x dvi, 1x mini-hdmi) allows 2 active @ given time need enable/disable monitors when want switch tv (hdmi) display.

the win32 api function enumdisplaydevices isn't working because doesn't show disabled monitors.

nvidia provides api (nvapi) , has functions enumerate monitors (even disabled ones) , can enable monitor can't disable monitor. (i'm referring nvapi_createdisplayfromunattacheddisplay)

ultramon seems have figured out how perform can't find information.

i think if 2 out of 3 displays connected, 3rd 1 not detected. card stop listening new hardware. have manually take out cable , , insert new 1 in different port. unless there way "eject" connection, similar usb storage device.

winapi windows-7 monitor nvidia

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