public List<Message> GetHistory(int userId, int? offset, int? count)
{
this.Manager.Method("messages.getHistory");
this.Manager.Params("uid", userId);
if (offset != null)
{
this.Manager.Params("offset", offset);
}
if (count != null)
{
this.Manager.Params("count", count);
}
string resp = this.Manager.Execute().GetResponseString();
if (this.Manager.MethodSuccessed)
{
XmlDocument x = this.Manager.GetXmlDocument(resp);
if (x.SelectSingleNode("/response").InnerText.Equals("0"))
{
return null;
}
return this.buildMessagesList(x, MessageType.History);
}
return null;
}