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#!N
#!N #!Rdxgad
DXGetArrayData #!N #!N Function #!N #!N Returns a pointer to the
start of a global memory area containing the items constituting the
data stored in an Array. #!N #!N Syntax #!N #!F-adobe-times-bold-r-normal--18* #include
<dx/dx.h> Pointer DXGetArrayData(Array a) #!EF #!N #!N Functional Details #!N #!N
For irregular Arrays, the pointer points to the actual data that
was stored in the Array; this data may be changed directly
to change the contents of the Array. For compact Arrays (regular,
grid, path, or mesh Arrays), this routine expands the compact data
and returns a pointer to the result; such data should not
be changed because changes to this data will not be reflected
in the original Array. The returned Array contains #!F-adobe-times-medium-i-normal--18* n #!EF
items numbered from #!F-adobe-times-medium-i-normal--18* 0 #!EF to #!F-adobe-times-medium-i-normal--18* n-1 #!EF ,
where #!F-adobe-times-medium-i-normal--18* n #!EF is the number of items in #!F-adobe-times-bold-r-normal--18*
a #!EF . #!F-adobe-times-bold-r-normal--18* DXAddArrayData #!EF must be called before calling
#!F-adobe-times-bold-r-normal--18* DXGetArrayData #!EF ; otherwise, the values of items in an
irregular Array are undefined. #!N Note: To reduce memory requirements, it
is preferable, where possible, to recognize compact Arrays using #!F-adobe-times-bold-r-normal--18* DXGetArrayClass
#!EF , and not to expand them by calling #!F-adobe-times-bold-r-normal--18* DXGetArrayData
#!EF . The Array handle routines may be used to access
arrays of any class without expansion. #!N #!N Memory pointed to
by the return from #!F-adobe-times-bold-r-normal--18* DXGetArrayData #!EF should #!F-adobe-times-medium-i-normal--18* not #!EF
be freed by the user. #!N #!N #!N Return Value #!N
#!N Returns a pointer to the data or returns #!F-adobe-times-bold-r-normal--18* NULL
#!EF and sets an error code. #!N #!N See Also #!N
#!N #!F-adobe-times-bold-r-normal--18* #!Ldxaad,dxall1165 h DXAddArrayData #!EL , #!Ldxcah,dxall1189 h DXCreateArrayHandle #!EL , #!Ldxgac,dxall1218 h DXGetArrayClass #!EL , #!Ldxgadl,dxall1220 h DXGetArrayDataLocal #!EL , #!Ldxnav,dxall1310 h DXNewArray, DXNewArrayV #!EL
#!EF #!N #!Larraysc,dxall1069 h Array Class #!EL . #!N #!N #!N #!F-adobe-times-medium-i-normal--18* Next Topic #!EF
#!N #!N #!Ldxgadl,dxall1220 h DXGetArrayDataLocal #!EL #!N #!F-adobe-times-medium-i-normal--18* #!N
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