public void RevokeInvitation(ulong invitationId, EntityId channelId, RPCContextDelegate callback) { RevokeInvitationRequest revokeInvitationRequest = new RevokeInvitationRequest(); revokeInvitationRequest.SetInvitationId(invitationId); revokeInvitationRequest.SetChannelId(channelId); this.m_rpcConnection.QueueRequest(ChannelAPI.m_channelInvitationService.Id, 6u, revokeInvitationRequest, callback, 0u); }