Archive for the ‘Windows Driver Model’ Category

20 Feb

The Strange DeviceIoControl result with IOCTL_VIDEO_QUERY_DISPLAY_BRIGHTNESS

Posted by jongampark in C/C++, Programming, Windows Driver Model. Tagged: , .

On the Windows XP x64 running on the MacBook, the DeviceIoControl with IOCTL_VIDEO_QUERY_DISPLAY_BRIGHTNESS returns strange result.

HANDLE display = CreateFile(L"\\\\.\\LCD", FILE_ANY_ACCESS,
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