### Method

# Gtk SelectionModel selection_changed

#### Declaration [src]

    void
    gtk_selection_model_selection_changed (
      GtkSelectionModel* model,
      guint position,
      guint n_items
    )

#### Description [src]

Helper function for implementations of `GtkSelectionModel`.

Call this when the selection changes to emit the `GtkSelectionModel::selection-changed` signal.

#### Parameters

`position`

  Type: `guint`

  The first changed item.

`n_items`

  Type: `guint`

  The number of changed items.