### Signal

# Gtk CellArea::apply-attributes

since: 4.0

#### Declaration

    void
    apply_attributes (
      GtkCellArea* self,
      GtkTreeModel* model,
      GtkTreeIter* iter,
      gboolean is_expander,
      gboolean is_expanded,
      gpointer user_data
    )

#### Description [src]

This signal is emitted whenever applying attributes to `area` from `model`.

Default handler: The default handler is called before the handlers added via `g_signal_connect()`.
Available since: 4.0

#### Parameters

`model`

  Type: `GtkTreeModel`

  The `GtkTreeModel` to apply the attributes from.

  The data is owned by the caller of the function.

`iter`

  Type: `GtkTreeIter`

  The `GtkTreeIter` indicating which row to apply the attributes of.

  The data is owned by the caller of the function.

`is_expander`

  Type: `gboolean`

  Whether the view shows children for this row.

`is_expanded`

  Type: `gboolean`

  Whether the view is currently showing the children of this row.