C#

class ChildForm
{
  Form main;

  void GetDataSet()
  {
    Type t = main.GetType();
    FieldInfo fi = t.GetField("dataset"); //or whatever u call it
    DataSet ds = fi.GetValue(main) as DataSet;
    //now do the same for the ds
    t = ds.GetType();
    foreach (MemberInfo mi in t.GetMembers()) //this gets all members
      Console.WriteLine(mi);                  //look at the other functions
  } 
}

string text = "This will work";
Graphics g = Graphics.FromHwnd(this.Handle);
Font f = new Font("Verdana", 14f);
SizeF size = g.MeasureString(text, f, new PointF(0, 0), new
    StringFormat(StringFormatFlags.DirectionVertical));
RectangleF rect = new RectangleF(0, 0,
    size.Width, size.Height);
GraphicsContainer container = g.BeginContainer();
g.SetClip(rect, CombineMode.Replace);
g.TranslateTransform(rect.Width, rect.Height);
g.RotateTransform(180);
g.DrawString(text, f, new SolidBrush(Color.Black), rect.X,
    rect.Y, new StringFormat(StringFormatFlags.DirectionVertical));
g.EndContainer(container);

public enum ControlStyles
{
 // Fields
AllPaintingInWmPaint = 8192,
CacheText = 16384,
ContainerControl = 1,
DoubleBuffer = 65536,
EnableNotifyMessage = 32768,
<big>FixedHeight = 64,
FixedWidth = 32</big>,Opaque = 4,
ResizeRedraw = 16,
Selectable = 512,
StandardClick = 256,
StandardDoubleClick = 4096,
SupportsTransparentBackColor = 2048,
UserMouse = 1024,
UserPaint = 2
 
}