ActiveX Data Conversion Functions

The following table provides summary descriptions of the AutoLISP ActiveX data conversion functions.

Data conversion functions
Function	Description
(vlax-3D-pointlist)	Creates an ActiveX-compatible 3D point structure
(vlax-ename->vla-object entname)	Transforms entity to VLA-object
(vlax-make-safearraytype '(l-bound . u-bound) [ '(l-bound . u-bound)...)]	Creates a safearray
(vlax-make-variantvaluetype)	Creates a variant data type
(vlax-safearray-fillvar ' element-values)	Stores elements in a safearray
(vlax-safearray-get-dimvar)	Returns the number of dimensions in a safearray object
(vlax-safearray-get-elementvarelement)	Returns an element from an array
(vlax-safearray-get-l-boundvardim)	Returns the lower boundary (starting index) of a dimension of an array
(vlax-safearray-get-u-boundvardim)	Returns the upper boundary (end index) of a dimension of an array
(vlax-safearray-put-elementvar element value)	Adds or updates an element in an array
(vlax-safearray-typevar)	Returns the data type of a safearray
(vlax-safearray->listvar)	Returns the elements of a safearray in list form
(vlax-tmatrixlist)	Returns a suitable representation for a 4 x 4 transformation matrix to be used in VLA methods
(vlax-variant-change-typevartype)	Returns the value of a variant after changing it from one data type to another
(vlax-variant-typevar)	Returns the data type of a variant
(vlax-variant-valuevar)	Returns the value of a variant
(vlax-vla-object->enameobj)	Transforms a VLA-object to an AutoLISP entity