/// <summary>
/// Gets the native Gtk widget that contains the Eto.Forms control.
/// </summary>
/// <remarks>
/// Note for some controls, this will not be the 'main' native control.
/// For example, a GridView on OS X will return a NSScrollView instead of a NSTableView, since the table view
/// itself does not scroll.
///
/// When you intend on using the control inside an existing native application, set <paramref name="attach"/> to
/// true so that it can prepare for attaching to the native application by sending OnPreLoad/Load/LoadComplete events.
/// </remarks>
/// <returns>The native control that can be used to add this control to an existing application.</returns>
/// <param name="control">Control to get the native control for.</param>
/// <param name="attach">If set to <c>true</c> the control is to be attached to an existing application, or <c>false</c> to get the native control directly.</param>
public static Gtk.Widget ToNative(this Control control, bool attach = false)
{
if (attach && !control.Loaded)
{
control.AttachNative();
control.GetContainerWidget().ShowAll();
}
return(control.GetContainerWidget());
}