:orphan:
# PetscViewerDrawGetHold
Checks if the `PETSCVIEWERDRAW` `PetscViewer` holds previous image when drawing new image 
## Synopsis
```
#include "petscdraw.h" 
#include "petscviewer.h" 
PetscErrorCode PetscViewerDrawGetHold(PetscViewer viewer, PetscBool *hold)
```
Not Collective


## Input Parameter

- ***viewer -*** the `PetscViewer`



## Output Parameter

- ***hold -*** indicates to hold or not





## See Also
 [](sec_viewers), `PETSCVIEWERDRAW`, `PetscViewerDrawOpen()`, `PetscViewerDrawGetDraw()`,

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/classes/viewer/impls/draw/drawv.c.html#PetscViewerDrawGetHold">src/sys/classes/viewer/impls/draw/drawv.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/classes/viewer/impls/draw/drawv.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)