Program unusable when having more than one physical monitor

[dexamenos]

See also here:
scottaxcell/winddcutil#10

If there are more than one physical monitors, like one desktop monitor and one beamer showing the same desktop, this library fails.

[newAM]

At the time of development I couldn't create a situation which had more than one physical monitor per hmonitor, even when duplicating desktops across multiple monitors. Can you describe more about your physical setup? Filling out the issue template would help!

I'll try again next time I boot into windows.

[dexamenos]

Sure. My setup is in a computer lab. The main computer has one physical screen and one beamer/projector attached. We have a nVidia P2000 graphics card with four DisplayPort outlets.

I try to work through the WinAPI myself. This is what I get from GetPhysicalMonitorsFromHMONITOR:

First: Desktop Setting set to "Expand"

Second: Desktop Setting set to "Duplicate"

I do release the physical monitor handle with DestroyPhysicalMonitors after each run, so umbers start at 0 again.

The lower part if the list is from EnumDisplayDevices and EnumDisplaySettings.

[pimlottc]

I have this same issue (using winddcutil) on my laptop when mirroring to an external display.

• Monitor manufacturer and model number: HP Z27
• Input source (HDMI, VGA, display port, ect.): HDMI (Dell Precision 7530)
• Output device (video card, discrete graphics, ect.): Intel UHD Graphics 630
• Operating system: Windows 11 version 22H2 (OS Build 22621.4169)
• Python version: N/A
• monitorcontrol version (monitorcontrol --version): N/A
• winddcutil version: 2.0.0