void ChangedSortState()
{
// 允许排序
if (!_owner.Lv.Cols.AllowSorting || !Col.AllowSorting)
{
return;
}
ListSortDirection dir = ListSortDirection.Ascending;
SortDescription desc = _owner.Lv.SortDesc;
if (desc != null && !string.IsNullOrEmpty(desc.ID))
{
if (desc.ID.Equals(Col.ID, StringComparison.OrdinalIgnoreCase))
{
if (desc.Direction == ListSortDirection.Ascending)
{
dir = ListSortDirection.Descending;
}
}
else
{
ColHeaderCell cell = _owner.GetCellByID(desc.ID);
if (cell != null)
{
cell.ClearValue(SortStateProperty);
}
}
}
_owner.Lv.SortDesc = new SortDescription(Col.ID, dir);
SortState = (dir == ListSortDirection.Ascending) ? "\uE017" : "\uE018";
}
