void gtk_viewport_scroll_to ( GtkViewport* viewport, GtkWidget* descendant, GtkScrollInfo* scroll )
Scrolls a descendant of the viewport into view.
The viewport and the descendant must be visible and mapped for this function to work, otherwise no scrolling will be performed.
Available since: 4.12
A descendant widget of the viewport.
The data is owned by the caller of the method.
Details of how to perform the scroll operation or NULL to scroll into view.
The argument can be
The instance takes ownership of the data, and is responsible for freeing it.