C#

object o = hash[1]; // Returns null
o.ToString();

if(hash.ContainsKey("1"))
{
	//where "1" is the key
	string str  = hash["1"].ToString();

}

private void panel1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
	//create graphics object from PaintEvent Argument, 
        //(this also reduces the flickkering)
	Graphics pg = e.Graphics;
	pg.DrawEllipse(new Pen(Color.Black ), 0, 0,
                                    this.panel1.Width,this.panel1.Height);
	pg.FillEllipse( new SolidBrush( Color.Red ), 0, 0,  
                                   this.panel1.Width, this.panel1.Height);

}

int mouseX =0, mouseY =0;

private void panel1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
	//create graphics object from PaintEvent Argument, 
        //other wise there can be flickkering
	Graphics pg = e.Graphics;
	pg.DrawEllipse(new Pen(Color.Black ), mouseX, mouseY, 50,50);
	pg.FillEllipse( new SolidBrush( Color.Red ),mouseX, mouseY,  50, 50);

}

private void panel1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
	this.mouseX = e.X;
	this.mouseY = e.Y;
	this.panel1.Invalidate();
}

public class MyDialog : Form
{
   public MyDialog()
   {
      Controls.Add(new MyPropertiesControl());  
   }
}

MyDialog dialog = new MyDialog();
dialog.ShowDialog();

<br />
private void ZipFile(string fileName, string ExpType)<br />
{<br />
        string extType = "zip";<br />
        string zipFileName = fileName + "." + extType; <br />
        string soureFileName = fileName + "." + ExpType;<br />
<br />
	// Output stream <br />
        // ONCE IT RUNS THIS LINE, IT GIVES ME THE ERROR<br />
        // SAYS 'ACCESS IS DENIED.'<br />
	FileOutputStream fos = new FileOutputStream(zipFileName); <br />
<br />
	// Tie to zip stream <br />
	ZipOutputStream zos = new ZipOutputStream(fos); <br />
<br />
	// Stream with source file <br />
	FileInputStream fis = new FileInputStream(soureFileName); <br />
<br />
	// It's our entry in zip <br />
	ZipEntry ze = new ZipEntry(soureFileName); <br />
<br />
	zos.putNextEntry(ze); <br />
	sbyte[] buffer = new sbyte[1024]; <br />
	int len; <br />
<br />
	// Read and write until done <br />
	while((len = fis.read(buffer)) >= 0) <br />
	{ <br />
		zos.write(buffer, 0, len); <br />
	}<br />
 <br />
	// Close everything <br />
	zos.closeEntry(); <br />
	fis.close(); <br />
	zos.close(); <br />
	fos.close();<br />
}<br />

System.IO.File.Delete(Server.MapPath(@"~\import\\" + soureFileName));<br />

// Stream with source file 
	FileInputStream fis = new FileInputStream(Server.MapPath(@"~\import\\" + soureFileName)); 
// Output stream 
	FileOutputStream fos = new FileOutputStream(Server.MapPath(@"~\import\\" + zipFileName)); 
	// Tie to zip stream 
	ZipOutputStream zos = new ZipOutputStream(fos);