petsc-3.10.5 2019-03-28
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# PetscViewerDrawSetHold

Holds previous image when drawing new image

### Synopsis

    #include "petscdraw.h"
    #include "petscviewer.h"
    PetscErrorCode  PetscViewerDrawSetHold(PetscViewer viewer,PetscBool hold)

Not Collective

### Input Parameters

| viewer | - the PetscViewer
| hold | - indicates to hold or not

### See Also

PetscViewerDrawOpen(), PetscViewerDrawGetDraw(),

### Level

intermediate

### Location

src/sys/classes/viewer/impls/draw/drawv.c
Index of all Viewer routines
Table of Contents for all manual pages
Index of all manual pages