C#

Graphics G = Graphics.FromImage(new Bitmap(1536, 1536));
        Graphics G1 = Graphics.FromImage(new Bitmap(1536, 1536));

private void Form1_Load(object sender, EventArgs e)
        {            
            G.DrawRectangle(Pens.Red, 0, 0, 100, 100);
            G1.DrawRectangle(Pens.Blue, 50, 50, 100, 100);
        }

Bitmap b = new Bitmap(Properties.Resources.myimage);

---what to write here---

pictureBox1.Image = b;

XmlWriterSettings settings = new XmlWriterSettings();
                settings.Indent = true;
                settings.IndentChars = "\t";
                settings.NewLineOnAttributes = true;
                settings.Encoding = Encoding.Unicode;

                XmlWriter writer = XmlWriter.Create(String.Concat(Application.StartupPath, "\\Contest Organizer.xml"), settings);
                writer.WriteStartElement("Settings");
                writer.WriteElementString("Topmost", checkBox_topmost.Checked.ToString());
                writer.WriteElementString("StandardTab", checkBox_standardtab.Checked.ToString());
                writer.WriteElementString("FormBorder", checkBox_formBorder.Checked.ToString());
                writer.WriteElementString("RowHeight", nUD_rowHeight.Value.ToString());
                writer.WriteElementString("Formula", textBox_formula.Text);
                writer.WriteElementString("Precision", nUD_precision.Value.ToString());
                writer.WriteEndElement();

using(XmlReader reader = XmlReader.Create(String.Concat(Application.StartupPath, "\\Contest Organizer.xml")))
                    {
                        reader.ReadToFollowing("Precision");
                        checkBox_topmost.Checked = reader.ReadElementContentAsBoolean("Topmost", "");
                    }

<br />
<br />
private void Foo()<br />
{<br />
    try<br />
    {<br />
       owdEnum = OneWireAccessProvider.getAllDeviceContainers();<br />
    }<br />
    catch (OneWireIOException) { return; }<br />
<br />
<br />
    // Do process on the enum (if I didnt return above the code would crash<br />
}<br />
<br />

private void Form1_MouseMove(object sender, MouseEventArgs e)
        {

            if (e.X<=300 && e.X>=0 && e.Y>=0 && e.Y<=300)
            {
              
                DistancePoints = (float)Math.Sqrt(Math.Pow(e.X - 150, 2) + Math.Pow(288 - e.Y, 2));

                angle = (float)Math.Acos((e.X - 150) / DistancePoints) * (float)(180 / Math.PI);
                double radians = angle * (Math.PI / 180);

                movey = (float)Math.Sin(radians%360) * 200;
                movex = (float)Math.Cos(radians%360) * 200;
            }
        }

private void Form1_Paint(object sender, PaintEventArgs e)
        {
            Graphics g = e.Graphics;
            SolidBrush LineC = new SolidBrush(Color.Red);
            if (method1)
            {
                Pen Thing = new Pen(Color.Red, 3);

                g.DrawLine(Thing, 150, 300, 150+movex, 300-movey);
                
            }


        }