public List <int> GetMatchingIndexes(SfComboBox source, ComboBoxFilterInfo filterInfo)
{
List <int> filteredlist = new List <int>();
List <CityInfo> CityItems = source.Items.OfType <CityInfo>().ToList();
filteredlist.AddRange(from CityInfo item in CityItems
where item.CountryName.StartsWith(filterInfo.Text, StringComparison.CurrentCultureIgnoreCase) ||
item.CityName.StartsWith(filterInfo.Text, StringComparison.CurrentCultureIgnoreCase)
select CityItems.IndexOf(item));
return(filteredlist);
}
public List <int> GetMatchingIndexes(SfComboBox source, ComboBoxFilterInfo filterInfo)
{
List <int> filteredlist = new List <int>();
List <CityInfo> CityItems = source.Items.OfType <CityInfo>().ToList();
filteredlist.AddRange(from CityInfo item in CityItems
let filterItem = this.GetStringFromMemberPath(item, "CountryName")
where filterItem.StartsWith(filterInfo.Text, StringComparison.CurrentCultureIgnoreCase)
select CityItems.IndexOf(item));
filteredlist.AddRange(from CityInfo item in CityItems
let filterItem = this.GetStringFromMemberPath(item, "CityName")
let index = CityItems.IndexOf(item)
where filterItem.StartsWith(filterInfo.Text, StringComparison.CurrentCultureIgnoreCase) && !filteredlist.Contains(index)
select CityItems.IndexOf(item));
return(filteredlist);
}