:orphan:
# PetscDrawLGSetOptionsPrefix
Sets the prefix used for searching for all `PetscDrawLG` options in the database. 
## Synopsis
```
#include "petscdraw.h"  
PetscErrorCode PetscDrawLGSetOptionsPrefix(PetscDrawLG lg, const char prefix[])
```
Logically Collective


## Input Parameters

- ***lg -*** the line graph context
- ***prefix -*** the prefix to prepend to all option names





## See Also
 `PetscDrawLG`, `PetscDrawLGSetFromOptions()`, `PetscDrawLGCreate()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/classes/draw/utils/lgc.c.html#PetscDrawLGSetOptionsPrefix">src/sys/classes/draw/utils/lgc.c</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/classes/draw/utils/lgc.c)


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