[ TDx_DrawSurface ]
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public:
virtual bool __fastcall PageUnlock();
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DESCRIPTION
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Parameters
See Also
The
TDx_DrawSurface::PageUnlock
method
will
decrement
the
lock
count
of
a
locked
system
memory
surface.
The
memory
can
be
paged
out
when
the
lock
count
is
reduced
to
zero.
This
method
will
not
page
unlock
display
memory
or
primary
surfaces,
doing
nothing
other
than
returning
without
error.
If
the
method
call
fails,
the
OnError
event
will
be
triggered
with
one
of
the
following
values:
DDERR_CANTPAGEUNLOCK
DDERR_INVALIDOBJECT
DDERR_INVALIDPARAMS
DDERR_NOTPAGELOCKED
DDERR_SURFACELOST
PARAMETERS
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See Also
SEE ALSO
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Parameters