:orphan: # PetscDrawSetOptionsPrefix Sets the prefix used for searching for all `PetscDraw` options in the database. ## Synopsis ``` #include "petscdraw.h" #include "petscviewer.h" PetscErrorCode PetscDrawSetOptionsPrefix(PetscDraw draw, const char prefix[]) ``` Logically Collective ## Input Parameters - ***draw -*** the draw context - ***prefix -*** the prefix to prepend to all option names ## See Also `PetscDraw`, `PetscDrawSetFromOptions()`, `PetscDrawCreate()` ## Level advanced ## Location src/sys/classes/draw/interface/drawreg.c --- [Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/classes/draw/interface/drawreg.c) [Index of all Draw routines](index.md) [Table of Contents for all manual pages](/manualpages/index.md) [Index of all manual pages](/manualpages/singleindex.md)