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# PetscDeviceContextView
View a `PetscDeviceContext` 
## Synopsis
```
#include <petscdevice.h> 
PetscErrorCode PetscDeviceContextView(PetscDeviceContext dctx, PetscViewer viewer)
```
Collective on `viewer`


## Input Parameters

- ***dctx -*** The `PetscDeviceContext`
- ***viewer -*** The `PetscViewer` to view `dctx` with (may be `NULL`)





## Note
If `viewer` is `NULL`, `PETSC_VIEWER_STDOUT_WORLD` is used instead, in which case this
routine is collective on `PETSC_COMM_WORLD`.


## See Also
 `PetscDeviceContextViewFromOptions()`, `PetscDeviceView()`, `PETSC_VIEWER_STDOUT_WORLD`, `PetscDeviceContextCreate()`

## Level
beginner

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/objects/device/interface/dcontext.cxx.html#PetscDeviceContextView">src/sys/objects/device/interface/dcontext.cxx</A>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/objects/device/interface/dcontext.cxx)


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