private void addChatText(string txt)
{
const int maxLines = 50;
chat.AppendBbcode(txt);
//control max lines: happy ram
int count = chat.GetLineCount();
if (count > maxLines)
{
int rest = count - maxLines;
for (int i = 0; i < rest; i++)
{
chat.RemoveLine(i);
}
}
}