/// <summary>
/// 发送数据
/// </summary>
/// <param name="sendData"></param>
/// <param name="receiveDataSize"></param>
/// <returns></returns>
private byte[] SendData(byte[] sendData, int receiveDataSize)
{
//准备接收缓冲区
byte[] receiveDate = new byte[receiveDataSize + 11];
if (!socket.IsOpen)
{
socket.Open();
SocketInit();//发送命令，表明身份
Thread.Sleep(100);
}
//发送并接收数据
socket.SendData(sendData, ref receiveDate);
return(receiveDate);
}
private void btnSend_Click(object sender, EventArgs e)
{
string strMessage = txtSend.Text;
client.SendData(strMessage);
}