This message can be sent by an application to request a CTOC entry for an
element. The element is associated with hmmio.
pmmioinfo (PMMIOINFO)
A
pointer to an MMIOINFO data structure.
usMsg (USHORT)
lParam1 (LONG)
A
pointer to a user buffer (MMCTOCENTRY)
that the CTOC entry will be read to. The user needs to allocate a large
enough buffer to allow for the variable length name field and a possible
extra entry field.
lParam2 (LONG)
This
parameter is not used.
rc (ULONG)
Return
codes indicating success or type of failure:
MMIO_CF_SUCCESS
User buffer is updated with CTOC
entry.
MMIO_CF_FAILURE
Error
occurred; user buffer was not updated.
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