IOCTL_REGISTER_POWER_RELATIONSHIP
This IOCTL notifies the parent device so the parent device can register all devices 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 if successful, FALSE otherwise.
Remarks
The Power Manager ignores the return values from this IOCTL, which provides an opportunity for a parent device to notify the Power Manager about any active devices that it controls. The Power Manager sends this IOCTL to devices that include the POWER_CAP_PARENT flag in the Flags member of the POWER_CAPABILITIES structure.
Requirements
OS Versions: Windows CE .NET 4.0 and later.
Header: Pm.h.
See Also
Last updated on Tuesday, May 18, 2004
© 1992-2003 Microsoft Corporation. All rights reserved.