static private void ParseDrawCmd(string cmd)
{
//List<Line> lines = new List<Line>();
string[] lines;
int beginInfoInd = cmd.IndexOf('-');
int typeInd = cmd.IndexOf(':');
string type = cmd.Substring(beginInfoInd + 1,typeInd - beginInfoInd - 1);
if (type.Equals("data"))
{
string allLines = cmd.Substring(typeInd + 1);
lines = allLines.Split('|');
drawDelegate?.Invoke(lines);
}
}