public void inviteIntoGroup(int reqSeq, string groupId, List<string> contactIds) { #if !SILVERLIGHT send_inviteIntoGroup(reqSeq, groupId, contactIds); recv_inviteIntoGroup(); #else var asyncResult = Begin_inviteIntoGroup(null, null, reqSeq, groupId, contactIds); End_inviteIntoGroup(asyncResult); #endif } #if SILVERLIGHT