Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Sets the value of the specified system environment variables using SysEnv device.
Major code
Input buffer
A pointer to a XVARIABLE_NAME_AND_VALUE structure that contains the information to set.
Input buffer length
The size of the XVARIABLE_NAME_AND_VALUE structure.
Status block
Irp->IoStatus.Status is set to STATUS_SUCCESS if the request is successful. Otherwise, Status to the appropriate error condition as a NTSTATUS code.
Requirements
| Requirement | Value |
|---|---|
| Header | ntddsysenv.h |
See also
Creating IOCTL Requests in Drivers
WdfIoTargetSendInternalIoctlOthersSynchronously