public bool RetreiveMessages(out IList <Message> addMsgs)
{
bool needToReset = false;
if (!conn.HasTimeFilter()) // Means the filter changed and need to reload all the messages
{
this.messageList = new List <Message>();
needToReset = true;
}
addMsgs = conn.RetreiveMessages();
if (addMsgs.Count > 0)
{
needToReset = (AddByKeepUniqueGuid(this.messageList, addMsgs) | needToReset);
if (messageList.Count > msgLimit)
{
for (int i = 0; i < messageList.Count - msgLimit; i++)
{
this.messageList.RemoveAt(0);
}
needToReset = true;
}
}
if (needToReset)
{
addMsgs = this.messageList;
}
conn.SetTimeFilter(DateTime.UtcNow); // For receiving only new messages
return(needToReset);
}