# PCShellSetView
Sets routine to use as viewer of shell preconditioner 
## Synopsis
```
#include "petscpc.h" 
PetscErrorCode PCShellSetView(PC pc, PetscErrorCode (*view)(PC, PetscViewer))
```
Logically Collective


## Input Parameters

- ***pc -*** the preconditioner context
- ***view -*** the application-provided view routine



## Calling sequence of view
```none
   PetscErrorCode view(PC pc,PetscViewer v)
```



- ***pc -*** the preconditioner, get the application context with PCShellGetContext()
- ***v   -*** viewer



## Note
the function MUST return an error code of 0 on success and nonzero on failure.




## See Also
 `PCSHELL`, `PCShellSetApplyRichardson()`, `PCShellSetSetUp()`, `PCShellSetApplyTranspose()`

## Level
advanced

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/shell/shellpc.c.html#PCShellSetView">src/ksp/pc/impls/shell/shellpc.c</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/shell/shellpc.c.html#PCShellSetView_Shell(PC pc, PetscErrorCode (*view)">PCShellSetView_Shell(PC pc, PetscErrorCode (*view) in src/ksp/pc/impls/shell/shellpc.c</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/ksp/pc/impls/shell/shellpc.c)


[Index of all PC routines](index.md)  
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[Index of all manual pages](/docs/manualpages/singleindex.md)  
