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IBM Visualization Data Explorer Programmer's Reference

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DXExtract

Function

Extracts a component from a Field.

Syntax

#include <dx/dx.h>


Object DXExtract(Object o, char *name)

Functional Details

For each Field in Object o, the routine returns the Object specified by name (typically an Array). Object o can be a simple Field or any Object that can contain Fields (e.g., Groups or Series).

If Object o is a single Field, a single Object is returned (typically an Array). If Object o is anything else, the Object hierarchy is preserved, and each Field is replaced by component name.

Return Value

Returns o or returns NULL and sets an error code. It is an error if no component of the specified name is found in any Field of o.

See Also

DXExists, DXGetComponentValue, DXInsert, DXRemove, DXRename, DXReplace, DXSwap

12.10 , "Component Manipulation".


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