аналог TDBLookupCombobox DElphi в C#

List<priznak> PcList = new List<priznak>() { new priznak("test","sel","never"),
                                                         new priznak("test","sel10","never"),
                                                         new priznak("test","sel8","never"),
                                                         new priznak("test","sel33","never"),
                                                         new priznak("test","sel2","never")};
listBox1.DataSource = PcList;

listBox1.DataSource = from p in feederData.Pickup_points
                              where p.Interchange == Interchange
                              select p;

 var context = MyDataSet.Tables[0].AsEnumerable()
            .Where( dr => dr.Field<string>( "AdrLabel" ).Contains( filter ) )
            .Select( dr => dr.Field<string>( "AdrLabel" ) );
MyComboBox.DataContext = context;

sql="select 0 as Org_ID, ' (все)' as OrgName union select Org_ID,OrgName from Org order by OrgName";
 string ConnString = Properties.Settings.Default.WarehouseConnectionString;
 DataTable table = new DataTable();
 SqlDataAdapter adapter = new SqlDataAdapter(sql, ConnString);
 adapter.Fill(table); 
 cmbOrg.DisplayMember = "OrgName";
 cmbOrg.ValueMember = "Org_ID";
 cmbOrg.DataSource =table;