private void switchSortOrder()
{
switch (_sortOrder)
{
case SortOrder.DateDescending:
_sortOrder = SortOrder.DateAscending;
break;
case SortOrder.DateAscending:
_sortOrder = SortOrder.AtoZ;
break;
case SortOrder.AtoZ:
_sortOrder = SortOrder.ZtoA;
break;
case SortOrder.ZtoA:
_sortOrder = SortOrder.DateDescending;
break;
}
_pageNumber = 0;
_pageStartIndex = 0;
_allFilesList = getAllFiles(Folders, _sortOrder);
_fileList = filterFiles(_allFilesList, _includeFileExtensions, _excludeFileExtensions, Windows.GetText(SearchFilter));
refreshFileList();
}