IBM Visualization Data Explorer Programmer's Reference

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DXQueryPickCount

Function

Returns the number of picks resulting from a poke.

Syntax

#include <dx/dx.h>

Error DXQueryPickCount(Field picks, int poke, int *pickCount)

Functional Details

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

Return Value

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

See Also

DXGetPickPoint, DXQueryPokeCount, DXQueryPickPath, DXTraversePickPath

14.6 , "Pick-Assistance Routines".

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