C#

private bool OkToClose()
{
  if (whateveryourcriteriaare)
  {
    return true;
  }
  else
  {
     return false;
  }
}

e.Cancel= OkToClose();

lakshmanriz wrote:

code

public Key GetKeyBasedRandomPermutation()
{
int baseFileNum = 42;
Key keyz = new Key(New RandomPerm("BaseValue"));
While baseFileNum > 0
{
   keyz.Permutation.Randomize(baseFileNum);
}

return keyz;
}

		private ArrayList GraphPointsList2 = new ArrayList();<br />
<br />
		private void DrawGraphic2(int k3, int k4)<br />
		{<br />
			int i=1;<br />
			int j=1;<br />
			int x=0;<br />
			int y=0;<br />
			double value=0;<br />
			double sin=0;<br />
<br />
			Point GraphPoint2;<br />
<br />
			System.Drawing.Graphics graph2;<br />
			graph2 = GraphPanel.CreateGraphics();<br />
			graph2.SmoothingMode = SmoothingMode.AntiAlias;<br />
			Pen penCurrent2 = new Pen(System.Drawing.Color.Red, 2);<br />
<br />
			for(x = 0; x<GraphPanel.Width; x++)<br />
			{<br />
				GraphPoint2 = new Point();<br />
<br />
				GraphPoint2.X = x;<br />
<br />
				sin = Math.Sin((0.01*k4)*x);<br />
				value = 50*-sin+k3;<br />
				y = GraphPanel.Height - (int)value;<br />
				GraphPoint2.Y = y;<br />
				GraphPointsList2.Add(GraphPoint2);<br />
				i++;<br />
				j++;<br />
			}<br />
<br />
				Point[] pointArray2 =<br />
			   ( Point[] ) GraphPointsList2.ToArray( GraphPointsList[ 0 ].GetType() );<br />
<br />
				graph2.DrawCurve(penCurrent2, pointArray2);<br />
		}