Setting properties of Silverlight controls from Code-behind

TextBox tb = new Textbox();

tb.FontStyle = FontStyles.Italic;

tb.Foreground = new SolidColorBrush(Color.FromArgb(255, 51, 51, 51));

tb.Background = new SolidColorBrush(Colors.Red);

tb.SetValue(Grid.RowProperty, 0);

tb.SetValue(Grid.ColumnProperty, 0);

tb.SetValue(Grid.ColumnSpanProperty, 2);

Image img = new Image();

BitmapImage imgSource = new BitmapImage(new Uri("Images/thumb.png", UriKind.Relative));

img.Source = imgSource;

TextBlock tooltip = new TextBlock();

tooltip.Text = "Hello";

ToolTip tt = new ToolTip();

tt.Content = tooltip;

ToolTipService.SetToolTip(img, tt);