WPEWebKit.WebView.add_frame_displayed_callback

### Method

# WPEWebKit WebViewadd_frame_displayed_callback

#### Declaration [src]

    guint
    webkit_web_view_add_frame_displayed_callback (
      WebKitWebView* web_view,
      WebKitFrameDisplayedCallback callback,
      gpointer user_data,
      GDestroyNotify destroy_notify
    )

#### Description [src]

Add a callback to be called when the backend notifies that a frame has been displayed in `web_view`.

Available since: | 2.24

#### Parameters

`callback` | `WebKitFrameDisplayedCallback`
| A `WebKitFrameDisplayedCallback`.
`user_data` | `gpointer`
| User data to pass to `callback`.
| The argument can be `NULL`.
| The data is owned by the caller of the function.
`destroy_notify` | `GDestroyNotify`
| Destroy notifier for `user_data`.
| The argument can be `NULL`.

#### Return value

Returns: | `guint`
| An identifier that should be passed to `webkit_web_view_remove_frame_displayed_callback()` to remove the callback.