# PetscDrawButton
Used to determine which button was pressed 
## Synopsis
```
typedef enum {
  PETSC_BUTTON_NONE = 0,
  PETSC_BUTTON_LEFT,
  PETSC_BUTTON_CENTER,
  PETSC_BUTTON_RIGHT,
  PETSC_BUTTON_WHEEL_UP,
  PETSC_BUTTON_WHEEL_DOWN,
  PETSC_BUTTON_LEFT_SHIFT,
  PETSC_BUTTON_CENTER_SHIFT,
  PETSC_BUTTON_RIGHT_SHIFT
} PetscDrawButton;
```



## See Also
 `PetscDrawGetMouseButton()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscdraw.h.html#PetscDrawButton">include/petscdraw.h</A>


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