IOCTL_REGISTER_POWER_RELATIONSHIP (Windows Embedded CE 6.0)
1/6/2010
This I/O control notifies the parent device so the parent device can register all devices that it controls.
Parameters
- dwOpenData
Ignored.
- dwCode
Ignored.
- pBufIn
[in] Set to NULL.
- dwLenIn
Ignored.
- pBufOut
[out] Set to NULL.
- dwLenOut
Ignored.
- pdwActualOut
Ignored.
Return Values
TRUE indicates success. FALSE indicates failure.
Remarks
Power Manager ignores the return values from this I/O control, which provides an opportunity for a parent device to notify Power Manager about any active devices that it controls. Power Manager sends this I/O control to devices that include the POWER_CAP_PARENT flag in the Flags member of the POWER_CAPABILITIES structure.
Requirements
Header | pm.h |
Windows Embedded CE | Windows CE .NET 4.0 and later |
See Also
Reference
Power Management I/O Controls
POWER_CAPABILITIES
POWER_RELATIONSHIP