C#

public long Factorial(long number) {
long result = 1;
for (int i = 2; i <= number; i++)
result *= i;
return result;
}

pen.CustomStartCap = new AdjustableArrowCap(10, 10, true);
pen.CustomEndCap = new AdjustableArrowCap(5, 5, true);

var done = 42;<br />
window.status = 'Progress: '+done+'%';

/// <summary><br />
  /// This internal PropertyGrid allows us to set the position of<br />
  /// the VScrollBar.<br />
  /// </summary><br />
  internal class HookPropertyGrid : PropertyGrid<br />
  {<br />
    /// <summary><br />
    /// The vertical scroll bar of the PropertyGrid.<br />
    /// Please do a null check before accessing.  There are<br />
    /// times when the VScrollBar will not exist.<br />
    /// </summary><br />
    public VScrollBar VScrollBar<br />
    {<br />
      get<br />
      {<br />
        object view = Controls[1];<br />
        string className = "System.Windows.Forms.VScrollBar";<br />
        return (VScrollBar)PluginGuiUtil.GetFirstControlOfType((Control)view, className);        <br />
      }      <br />
    }<br />
<br />
    /// <summary><br />
    /// Get the vertical scroll bar position<br />
    /// </summary><br />
    /// <returns></returns><br />
    public int GetVScrollPos()<br />
    {<br />
      if (null != VScrollBar)<br />
      {<br />
        return VScrollBar.Value;<br />
      }<br />
      return 0;<br />
    }<br />
<br />
    /// <summary><br />
    /// Set the vertical scroll bar position<br />
    /// </summary><br />
    public void SetVScrollPos(int pos_)<br />
    {<br />
      if (null != VScrollBar)<br />
      {<br />
        VScrollBar.Value = pos_;<br />
      }<br />
    }<br />
  }//end of internal class

//save off the scroll position<br />
      int pos = m_propertyGrid.GetVScrollPos();<br />
<br />
      //create a property table<br />
      PropertyTable props = new PropertyTable();<br />
<br />
      //create placeholders for all of the known properties<br />
      CreateKnownProps(props);<br />
<br />
      //populate all of the known properties with the entity's data<br />
      PopulateKnownProps(props, e_);<br />
<br />
      //create an populate all of the remaining "other" properties<br />
      CreateAndPopulateUnknownProps(props, e_);<br />
<br />
      //show the property table in the property grid<br />
      m_propertyGrid.SelectedObject = props;<br />
<br />
      //set the vertical scroll bar position to its' previous value<br />
      m_propertyGrid.SetVScrollPos(pos);

interface IVerifyable {
	bool Verify();
}

public class MyClass : IVerifyable {
	private int myValue;

	public bool Verify() {
		return myValue != 0;
	}
}