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<TITLE>IBM Visualization Data Explorer Programmer's Reference</TITLE>
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<META HTTP-EQUIV="updated" CONTENT="Tue, 16 Sep 1997 ">
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<H1>IBM Visualization Data Explorer Programmer's Reference</H1>
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<H3><A NAME="HDRDXQPOC" HREF="progu097.htm#PToC_379">DXQueryPokeCount</A></H3>
<A NAME="IDX1995"></A>
<A NAME="IDX1996"></A>
<P><STRONG>Function</STRONG>
<P>
Returns the number of pokes for a specified Field.
<P><STRONG>Syntax</STRONG>
<BR>
<TT><STRONG><BR>
#include <dx/dx.h><BR>
<P><BR>
Error DXQueryPokeCount(Field picks, int *pokeCount)<BR>
</STRONG></TT><BR>
<P><STRONG>Functional Details</STRONG>
<P>
For the specified Field, this routine returns the number of pokes
(in <TT><STRONG>pokeCount</STRONG></TT>).
<P>
The input to the routine is a Field (<TT><STRONG>picks</STRONG></TT>)
containing pick information.
The pick Field is created by the Pick tool.
The poke count is returned in (<TT><STRONG>*pokeCount</STRONG></TT>).
<P><STRONG>Return Value</STRONG>
<P>
Returns <TT><STRONG>OK</STRONG></TT> or returns <TT><STRONG>NULL</STRONG></TT>
and sets an error code.
<P><STRONG>See Also</STRONG>
<P>
<TT><STRONG>
<A HREF="progu195.htm#HDRDXGPP">DXGetPickPoint</A>,
<A HREF="progu283.htm#HDRDXQPIC">DXQueryPickCount</A>,
<A HREF="progu284.htm#HDRDXQPP">DXQueryPickPath</A>,
<A HREF="progu334.htm#HDRDXTPP">DXTraversePickPath</A>
</STRONG></TT>
<P>
<A HREF="progu071.htm#HDRPIES">14.6 , "Pick-Assistance Routines"</A>.
<P><P>
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