IList ApplyFilter(List <Contact> list, AlphaIndex alpha)
{
if (alpha == null || alpha == AlphaIndex.All)
{
return(list);
}
var res = from q in list
where alpha.Match(extractName(q))
select q;
return(res.ToList());
}
protected void InitIndex(List <Contact> list)
{
this.extractName = (s) => {
string name = ((Contact)s).LastName;
if (string.IsNullOrEmpty(name))
{
return(null); //todo?
}
return(AlphaIndex.Group(name.Substring(0, 1)));
};
List <AlphaIndex> dict = Generate(list, extractName);
SetupGrid(dict, indexGridControl);
}
IList ApplyFilter(List<UserInfo> list, AlphaIndex alpha)
{
if(alpha == null || alpha == AlphaIndex.All) return list;
var res = from q in list
where alpha.Match(extractName(q))
select q;
return res.ToList();
}