C#

<br />
namespace SMSRemotingClient<br />
{<br />
	/// <summary><br />
	/// Summary description for ServerStatsuChecker.<br />
	/// </summary><br />
	internal class ServerStatusChecker<br />
	{<br />
    private IRemoteData remoteObject;<br />
<br />
    internal ServerStatusChecker(IRemoteData remoteObj)<br />
    {<br />
      this.remoteObject = remoteObj;<br />
    }<br />
<br />
    internal void CheckStatus()<br />
    {<br />
      try<br />
      {<br />
        // ping server with this machines current time<br />
        IPingResponse response = this.remoteObject.Ping(DateTime.Now);        <br />
        <br />
        // set returned object with current time<br />
        response.ReceiveTime = DateTime.Now;<br />
        <br />
        Debug.WriteLine("ping: " +  DateTime.Now.ToString("h:mm:ss.fff"));<br />
        Debug.WriteLine("ping turn-around: " + response.TransmissionTime.Milliseconds + " millisecs");<br />
        Debug.WriteLine("ping count: " + response.PingCount);<br />
      }<br />
      catch(SocketException se)<br />
      {<br />
        Debug.WriteLine("its all gone pear-shaped, the server is offline when trying to ping");  <br />
      }<br />
      catch(RemotingException re)<br />
      {<br />
        Debug.WriteLine(re.Message);<br />
      }<br />
      catch(Exception see)<br />
      {<br />
        Debug.WriteLine(see.Message);<br />
      }<br />
    }<br />
	}<br />
}<br />

<br />
The type RemotingInterface.PingResponse in Assembly StationUpdateInterface, Version=1.0.2103.19283, Culture=neutral, PublicKeyToken=null is not marked as serializable.<br />

[Serializable]
public class PingResponse {
...
}

<br />
using System;<br />
using System.Runtime.Serialization;<br />
<br />
<br />
namespace RemotingInterface<br />
{<br />
  /// <summary><br />
  /// Encapsulates a response being sent back from remoting server to client<br />
  /// data included is simple statistics on the servers status<br />
  /// </summary><br />
  [Serializable]<br />
  public class PingResponse : ISerializable, IPingResponse<br />
  {<br />
    // set when the request is made on this object.<br />
    private DateTime requestTime;<br />
<br />
    // set by the requestor, so a transmission time can be established    <br />
    private DateTime receiveTime;<br />
<br />
    // the number of pings since instantiation<br />
    private int pings;<br />
<br />
<br />
    #region Serialisation Functions<br />
    <br />
    /// <summary><br />
    /// Deserialization constructor<br />
    /// </summary><br />
    /// <param name="info"></param><br />
    /// <param name="ctxt"></param><br />
    public PingResponse(SerializationInfo info, StreamingContext ctxt)<br />
    {<br />
      this.requestTime = (DateTime)info.GetValue("RequestTime", typeof(DateTime));    <br />
      this.receiveTime = (DateTime)info.GetValue("ReceiveTime", typeof(DateTime));    <br />
      <br />
      try<br />
      {<br />
        this.pings = (int)info.GetValue("Pings", typeof(int));    <br />
      }<br />
      catch(Exception e)<br />
      {<br />
        Console.WriteLine(e.Message);<br />
      }<br />
    }<br />
    <br />
    /// <summary><br />
    /// Serialization function<br />
    /// </summary><br />
    /// <param name="info"></param><br />
    /// <param name="ctxt"></param><br />
    public void GetObjectData(SerializationInfo info, StreamingContext ctxt)<br />
    {<br />
      info.AddValue("RequestTime", this.requestTime);<br />
      info.AddValue("ReceiveTime", this.receiveTime);<br />
      info.AddValue("Pings", this.pings);<br />
    }<br />
    <br />
    #endregion Serialisation Functions<br />

PointF[] objAr;

double t = 0;
double dt = PI / 100;
ArrayList pointsList = new ArrayList();
do
{
r = System.Math.Cos(t) * System.Math.Sin(t);
//r = 3*System.Math.Sin(t);
//r = valueA * System.Math.Sin(valueB * t);
if (r>=0)
{
r=System.Math.Sqrt(r);
x = (r * System.Math.Cos(t))+50;
y = (r * System.Math.Sin(t))+50;
}
PointF PointFn=new PointF(Convert.ToSingle(x),Convert.ToSingle(y));
pointsList.Add(PointFn);

t = t + dt;
}while(t <= 2 * PI);
PointF[] objAr = new PointF[pointsList.Count];
pointsList.CopyTo(objAr);
objGraphics.DrawCurve(new Pen(new SolidBrush(Color.Red),2),objAr);

// create new image with desired pixel format
Bitmap bmp = new Bitmap(width, height, PixelFormat.Format32bppArgb);

// draw source image on the new one using Graphics
Graphics g = Graphics.FromImage(bmp);
g.DrawImage(src, 0, 0, width, height);
g.Dispose();