IBM Visualization Data Explorer Programmer's Reference

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DXQueryPickPath

Function

Returns information about a pick path.

Syntax

#include <dx/dx.h>

Error DXQueryPickPath(Field picks, int poke, int pick,
int *pathLength, int **path, int *elementId, int *vertexId)

Functional Details

For the specified Field, poke number, and pick, this routine returns:

The input to the routine is a Field (picks, containing pick information), a poke number (poke), and the number of the pick in that poke. The pick Field is created by the Pick tool.

Return Value

Returns OK or returns NULL and sets an error code. Errors include a nonexistent poke number and a nonexistent pick number.

See Also

DXGetPickPoint, DXQueryPickCount, DXQueryPokeCount, DXTraversePickPath

14.6 , "Pick-Assistance Routines".


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