private void btnConferenceLock_Click(object sender, EventArgs e) { if (conferenceInProgress != null) { if (rainbowBubbles.PersonalConferenceGetId() == conferenceInProgress.Id) { rainbowBubbles.PersonalConferenceLockOrUnlock(!conferenceInProgress.Locked, callback => { if (callback.Result.Success) { AddStateLine(String.Format("Personal Conference - Lock/Unlock done")); } else { AddStateLine("Pb to Lock/Unlock Personal Conference ..."); log.LogDebug("Pb to Lock/Unlock Personal Conference - error:[{0}]", Util.SerializeSdkError(callback.Result)); } }); } } }