1 DeviceIoControl Invalid access to memory location 1 ERROR_ACCESS_DENIED when calling DeviceIoControl with IOCTL_CHANGER_GET_PRODUCT_DATA 0 DeviceIoControl GetLastError 87 (ERROR_INVALID_PARAMETER) 0 Can`t open device by CreateFile, ERROR_INVALID_FUNCTION 1 Crash on DeviceIoControl cal...