/// <summary> /// 画像タブを移行させる /// </summary> /// <param name="regionManager"></param> /// <param name="tabIndex">切り替え後のTab指定(1画面=1, null=切替えなし)</param> private static void NativateImageTabContent(IRegionManager regionManager, int?tabIndex) { if (!tabIndex.HasValue) { return; } var index = tabIndex.Value; if (index < 0 || _imageCountMax < index) { throw new IndexOutOfRangeException(index.ToString()); } var tabName = RegionNames.GetTabContentName(index); regionManager.RequestNavigate(MainTabContentRegion, tabName); }