:orphan:
# PetscOptionsGetViewerOff
does `PetscOptionsGetViewer()` return a viewer? 
## Synopsis
```
#include "petscviewer.h" 
PetscErrorCode PetscOptionsGetViewerOff(PetscBool *flg)
```
Logically Collective


## Output Parameter

- ***flg -*** whether viewers are returned.





## Note
See `PetscOptionsPushGetViewerOff()`


## See Also
 [](sec_viewers), `PetscOptionsGetViewer()`, `PetscOptionsPushGetViewerOff()`, `PetscOptionsPopGetViewerOff()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/classes/viewer/interface/viewreg.c.html#PetscOptionsGetViewerOff">src/sys/classes/viewer/interface/viewreg.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/classes/viewer/interface/viewreg.c)


[Index of all Viewer routines](index.md)  
[Table of Contents for all manual pages](/manualpages/index.md)  
[Index of all manual pages](/manualpages/singleindex.md)