// 结构体序列化
public static byte[] struct2Bytes(CAR_TO_TRUCK_MESSAGE structObj)
{
int size = Marshal.SizeOf(structObj);
byte[] bytes = new byte[size];
IntPtr structPtr = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(structObj, structPtr, false);
Marshal.Copy(structPtr, bytes, 0, size);
Marshal.FreeHGlobal(structPtr);
return(bytes);
}
///发送数据
public void dataSend(CAR_TO_TRUCK_MESSAGE message)
{
// 实名发送
// 填写数据
byte[] sendbytes = struct2Bytes(message);
IPEndPoint remoteIpep = new IPEndPoint(
IPAddress.Parse(remote_ip), 41001); // 发送到的IP地址和端口号
udpcSend.Send(sendbytes, sendbytes.Length, remoteIpep);
}