// d4drvif.h
#define IOCTL_DOT4_USER_BASE /* IOCTL code */
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This topic describes IOCTL_DOT4_USER_BASE.
Irp->IoStatus.Status is set to STATUS_SUCCESS if the request is successful. Otherwise, Status to the appropriate error condition as a NTSTATUS code.
Creating IOCTL Requests in Drivers
WdfIoTargetSendInternalIoctlOthersSynchronously
WdfIoTargetSendInternalIoctlSynchronously
WdfIoTargetSendIoctlSynchronously