void OnDialogResponse(object o, Gtk.ResponseArgs args)
{
if (args.ResponseId == ResponseType.Ok && selectedLayout != null)
{
// get current dataview
if (dataBook != null && dataBook.NPages > 0)
{
DataView dv = ((DataViewDisplay)dataBook.CurrentPageWidget).View;
dv.Display.Layout = new Layout(selectedLayout);
}
}
// dispose preview Area pixmaps
dataPreview.Cleanup();
this.Destroy();
}