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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.7.5 v3.7.5 docs/manualpages/Sys/PetscObjectAddOptionsHandler.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscObjectAddOptionsHandler"><H1>PetscObjectAddOptionsHandler</H1></A>
Adds an additional function to check for options when XXXSetFromOptions() is called.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscsys.h"
PetscErrorCode PetscObjectAddOptionsHandler(PetscObject obj,PetscErrorCode (*handle)(PetscOptionItems*,PetscObject,void*),PetscErrorCode (*destroy)(PetscObject,void*),void *ctx)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>obj </B></TD><TD>- the PETSc object
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>handle </B></TD><TD>- function that checks for options
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>destroy </B></TD><TD>- function to destroy context if provided
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ctx </B></TD><TD>- optional context for check function
</TD></TR></TABLE>
<P>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../KSP/KSPSetFromOptions.html#KSPSetFromOptions">KSPSetFromOptions</A>(), <A HREF="../PC/PCSetFromOptions.html#PCSetFromOptions">PCSetFromOptions</A>(), <A HREF="../SNES/SNESSetFromOptions.html#SNESSetFromOptions">SNESSetFromOptions</A>(), <A HREF="../Sys/PetscObjectProcessOptionsHandlers.html#PetscObjectProcessOptionsHandlers">PetscObjectProcessOptionsHandlers</A>(), <A HREF="../Sys/PetscObjectDestroyOptionsHandlers.html#PetscObjectDestroyOptionsHandlers">PetscObjectDestroyOptionsHandlers</A>()
<BR>
<P>
<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>developer
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/sys/objects/inherit.c.html#PetscObjectAddOptionsHandler">src/sys/objects/inherit.c</A>
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