# WFSEventCallback

## Definition

  `#include <nitro/wfs.h>`

      typedef void (*WFSEventCallback)(void *context, WFSEventType event, void *argument);

## Description

This prototype declaration represents the callback format used in the WFS library. The arguments are described below:

## Elements

context | Pointer to a `WFSServerContext` or `WFSClientContext` structure
event | The value of the `WFSEventType` enumerated type that indicates the callback notification type.
argument | Argument that keeps different information for each callback notification type. For the argument descriptions of individual notification types, see `WFSEventType`.

## See Also

`WFS_InitServer, WFS_InitClient`

## Revision History

2007/06/06 Initial version.

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