private void signing(object o, OnEventArgs oea)
{
int tnum = oea.tNum;
int num = oea.Num;
heavymethod();
CC_TCP.send(oea.SOC, $"test{num:00}->{tnum:00}");
textBox1.AppendText($"[Send{num:00}] test-{tnum:00}\r\n");
}
void WriteCallback(IAsyncResult ar)
{
Console.WriteLine("WriteCallback ThreadID:" + Thread.CurrentThread.ManagedThreadId);
StateObject state = (StateObject)ar.AsyncState;
OnEventArgs OEA = new OnEventArgs(state.workSocket);
string msg = state.sb;
Int32.TryParse(msg.Substring(11, 2), out int tnum);
Int32.TryParse(msg.Substring(43, 1), out int num);
OEA.tNum = tnum;
OEA.Num = num;
FM.Invoke(SD_Send, new object[] { this, OEA });
send(state.workSocket, msg);
Console.WriteLine("送信完了");
OEA.SOC.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0, new AsyncCallback(ReadCallback), state);
}