C#

<br />
 //this means that u draw 10 points since u start from zero<br />
 for (index1=0; index1<10; index1++)<br />
 {<br />
  ptf[index1] =new PointF(105 + 28,250); //PointF(X,Y)<br />
 }<br />
}<br />
//to joint the line on the point<br />
myGraphics.DrawLine(myPen, ptf[drawLineIndex1], ptf[drawLineIndex1+1]);

for (index1=0; index1<10; index1++)<br />
{<br />
ptf[index1] =new PointF(105,(-375/maxValue)* -2.3);<br />
//maxValue is the higest value that i wanna plot<br />
//in this case, -2.3 is the minimum value<br />
}

<br />
protected override void OnClosing(CancelEventArgs e)<br />
		{<br />
			try<br />
			{<br />
				if(MessageBox.Show("This Will Close Your Form . Do You Want To Continue ?","Conformation",MessageBoxButtons.YesNo,MessageBoxIcon.Information)  ==  DialogResult.No)<br />
				{<br />
					e.Cancel = true;<br />
					base.OnClosing (e);<br />
				}<br />
				else<br />
				{<br />
					this.Dispose();<br />
					<br />
				}<br />
			}<br />
			catch(Exception Ex)<br />
			{<br />
				MessageBox.Show("Ex.Message.ToString(),"Information",MessageBoxButtons.OK,MessageBoxIcon.Information);<br />
<br />
			}<br />
		}<br />

Form1 f = new Form1();<br />
if (blargh == verc)<br />
{<br />
     f.btn_Start.Visible = true;<br />
     f.btn_Patcher.Visible = false;<br />
}<br />
else<br />
{<br />
     f.btn_Start.Visible = false;<br />
     f.btn_Patcher.Visible = true;<br />
}<br />
f.Show(); // or f.ShowDialog();

using(SqlConnection con = new SqlConnection())<br />
{<br />
  con.Open();<br />
  // Do work here<br />
}