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getmonitorinfo

About this tag
The getmonitorinfo tag covers discussions about the GetMonitorInfo Windows API function, particularly its use in multi-monitor setups. Users report that in Windows 7, the display device IDs returned by EnumDisplayDevices and GetMonitorInfo often do not match the monitor numbers shown in the Screen Resolution window, making it unreliable for identifying displays. The tag includes troubleshooting and workarounds for retrieving accurate display identifiers across different Windows versions, with a focus on the inconsistencies introduced in Windows 7.
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    Windows 7 Multi Monitor Display numbers are unreliable

    In Xp and Vista it was easy to retrieve the display device ID (I.E. \\.\Display1, \\.\Display2, etc). The returned deviced ID's matched the display numbers as depicted on screens with the "identify" button....where a big '1' and '2' would appear on the monitors if clicked. In Windows 7, this...
    • pjkdeveloper
    • Thread
    • bug report display identification display numbers enumdisplaydevices getmonitorinfo graphics graphics card hardware hardware id multi-monitor random reliability resolution tech support troubleshooting user issues windows 7 windows vista
    • Replies: 7
    • Forum: Programming and Scripting
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