protected virtual bool _TryGetMessageInfo(uint number, out Pop3MessageInfo messageInfo, out string errorMessage)
{
errorMessage = "";
LIST command = new LIST(number);
Pop3Response response = this.DoCommand(command);
if (command.Messages.Count > 0)
{
messageInfo = command.Messages[0];
}
else
{
errorMessage = response.Message;
messageInfo = null;
}
return(response.Type == EPop3ResponseType.OK);
}
public virtual bool TryGetMessageInfo(uint number, out Pop3MessageInfo messageInfo, out string errorMessage)
{
lock (this)
{
if (this.State != EPop3ClientState.Awaiting)
{
messageInfo = null;
errorMessage = "Pop3Client doesn't allow executing multiple operations simulteneously in a few threads using one object";
return(false);
}
this.State = EPop3ClientState.Busy;
}
if (this.ConnectionState != EPop3ConnectionState.Authenticated)
{
messageInfo = null;
errorMessage = "The command cannot be executed in this state";
this.State = EPop3ClientState.Awaiting;
return(false);
}
bool flag = this._TryGetMessageInfo(number, out messageInfo, out errorMessage);
this.State = EPop3ClientState.Awaiting;
return(flag);
}