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#!N
#!CSeaGreen
#!N #!Rmemalc Allocating and Freeing Memory #!N #!EC #!N #!N Memory
allocation results from either of the following: #!N #!I0 #!N #!F-adobe-times-medium-r-normal--18*
#!N #!N #!I30 #!N o Calls to #!F-adobe-times-bold-r-normal--18* DXAllocate #!EF and
#!F-adobe-times-bold-r-normal--18* DXAllocateLocal #!EF . #!N #!N In general, allocations resulting from
these calls must be freed before returning. #!N #!I30 #!N o
The creation of a new Object (e.g, by #!F-adobe-times-bold-r-normal--18* DXNewField #!EF
or #!F-adobe-times-bold-r-normal--18* DXNewArray #!EF ). #!N #!N On successful return, memory
allocated for the use of these routines does #!F-adobe-times-medium-i-normal--18* not #!EF
usually need to be freed: the Objects returned are managed by
the executive, and the module is not responsible for their deletion.
However, in case of error, no output Objects are returned, and
the module is responsible for deleting all Objects created. #!N #!N
When a Field is placed in a Group, the Field is
deleted when the Group is deleted; and, on error, only the
Group should be deleted. Similarly, an Array placed in a Field
is deleted when the Field is deleted. For that reason it
is often helpful to set the pointer of a Field or
Array to #!F-adobe-times-bold-r-normal--18* NULL #!EF after placing it in a higher-level
Object. The Field or Array can then be safely deleted on
error, regardless of whether it has been placed in a higher-level
Object. #!N #!I0 #!N #!EF #!N #!N #!N #!N #!F-adobe-times-medium-i-normal--18* Next
Topic #!EF #!N #!N #!Lall1024,dxall1025 h Reference Counts #!EL #!N #!F-adobe-times-medium-i-normal--18* #!N
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