| UID | title | description | old-location | tech.root | ms.date | keywords | ms.keywords | req.header | req.include-header | req.target-type | req.target-min-winverclnt | req.target-min-winversvr | req.kmdf-ver | req.umdf-ver | req.ddi-compliance | req.unicode-ansi | req.idl | req.max-support | req.namespace | req.assembly | req.type-library | req.lib | req.dll | req.irql | targetos | req.typenames | f1_keywords | topic_type | api_type | api_location | api_name | ||||||||
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NI:ntddsysenv.IOCTL_SYSENV_SET_VARIABLE |
IOCTL_SYSENV_SET_VARIABLE (ntddsysenv.h) |
Sets the value of the specified system environment variables using SysEnv device. |
kernel\ioctl_ioctl_sysenv_set_variable.htm |
kernel |
04/30/2018 |
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IOCTL_SYSENV_SET_VARIABLE, IOCTL_SYSENV_SET_VARIABLE control, IOCTL_SYSENV_SET_VARIABLE control code [Kernel-Mode Driver Architecture], kernel.ioctl_ioctl_sysenv_set_variable, ntddsysenv/IOCTL_SYSENV_SET_VARIABLE |
ntddsysenv.h |
Windows |
Windows |
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Sets the value of the specified system environment variables using SysEnv device.
A pointer to a XVARIABLE_NAME_AND_VALUE structure that contains the information to set.
The size of the XVARIABLE_NAME_AND_VALUE structure.
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