C#

private void bClick(object sender, EventArgs e)
{
	ProcessStartInfo pi = new ProcessStartInfo("mailto:you@here.com");
	Process.Start(pi);
}

delegate void DSCUserInterruptFunction (IntPtr param);

struct DSCUSERINTFUNCTION
{
  public DSCUserInterruptFunction func;
  public byte mode;
}

[DllImport(diamond.dll)]
extern static byte dscSetUserInterruptFunction(DSCB board, ref DSCUSERINTFUNCTION dscuserintfunction);

static void DSCUserInterruptFunctionImpl(IntPtr param)
{

}


DSCUSERINTFUNCTION foo = new DSCUSERINTFUNCTION();
foo.func = new DSCUserInterruptFunction(DSCUserInterruptFunctionImpl);

byte result = dscSetUserInterruptFunction(board, ref foo);

IHTMLDocument2 doc = (IHTMLDocument2)WB.Document;
if (doc != null)
{
  int len = doc.frames.length;
  if (len > 0)
  {
    IHTMLWindow2 window = null;
    IHTMLDocument2 frameDoc = null;
    for (int i=0; i<len; i++)
    {
      object index = i;
      window = (IHTMLWindow2)doc.frames.item(ref index);
      if (window != null)
      {
        frameDoc = window.document;
        if (frameDoc != null)
          Console.WriteLine(frameDoc.body.innerHTML);
      }
    }
  }
  else
    Console.WriteLine(doc.body.innerHTML);
}