public HuePicker( )
{
InitializeComponent( );
SetStyle( ControlStyles.AllPaintingInWmPaint | ControlStyles.ResizeRedraw |
ControlStyles.DoubleBuffer | ControlStyles.UserPaint, true );
blackPen = new Pen( Color.Black, 1 );
blackBrush = new SolidBrush( Color.Black );
whitePen = new Pen( Color.White, 1 );
whiteBrush = new SolidBrush( Color.White );
}