次の方法で共有


Power Management I/O Controls (Compact 2013)

3/26/2014

The following table shows the Power Management I/O controls with a description of the purpose of each.

I/O control

Description

IOCTL_POWER_CAPABILITIES

Checks device-specific capabilities.

IOCTL_POWER_GET

Gets the current device power state.

IOCTL_POWER_QUERY

Checks whether changing power state is feasible. This I/O control is deprecated and is not called by Power Manager.

IOCTL_POWER_SET

Requests a change from one device power state to another.

IOCTL_REGISTER_POWER_RELATIONSHIP

Notifies the parent device so the parent device can register all devices it controls.

See Also

Reference

Power Management Reference