Calling EnumDisplayDevices from a UMDF driver fails

  • Thread starter Thread starter JohannGerell
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JohannGerell

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Hi,

Am I expected to be able to call EnumDisplayDevices from a UMDF driver?

I kinda expect it to work since it's not a KMDF driver, but it returns 0 and GetLastError() is either 0 (no error) or 997 (outstanding overlapped I/O - something I don't explicitly use), depending on where in my code I call EnumDisplayDevices.

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