Writing a P2P Snippet sharing Extension for Visual Studio 2010 (VSX 2010)

using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;

namespace Sand.Services.CodeXchange.Client.Controls
{
	/// <summary>
	/// OptionSectionPanel mimics the option panels of Outlook 2003
	/// (Caption text, a line on the right and optional an image left below).
	/// </summary>
	[DefaultProperty("Text")]
	public class OptionSectionPanel : System.Windows.Forms.Panel
	{
		private Color	_highlight		= Color.FromKnownColor( KnownColor.ControlLightLight );
		private Color	_shadow			= Color.FromKnownColor( KnownColor.ControlDark );
		private Image	_image			= null;
		private Point	_imageLocation;
		private System.ComponentModel.IContainer components = null;

		/// <summary>
		/// Initializer.
		/// </summary>
		public OptionSectionPanel()
		{
			_imageLocation = new Point(0, 20);

			SetStyle(ControlStyles.DoubleBuffer, true);
			
			// This call is required by the Windows.Forms Form Designer.
			InitializeComponent();
		}

		/// <summary> 
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		protected override void OnPaintBackground(PaintEventArgs pe) 
		{

			base.OnPaintBackground (pe);
			
			StringFormat sf = new StringFormat (StringFormatFlags.MeasureTrailingSpaces|
				StringFormatFlags.NoWrap);

			Graphics g	= pe.Graphics;
			SizeF lt = g.MeasureString(this.Text + " ", this.Font, this.Width, sf);
			float lth = lt.Height / 2;

			Brush h	= new SolidBrush( _highlight );
			Pen	ph	= new Pen(h, 1.0f);
			Brush s	= new SolidBrush( _shadow );
			Pen	ps	= new Pen(s, 1.0f);

			g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.SystemDefault;

			g.DrawString(this.Text, this.Font, SystemBrushes.FromSystemColor(this.ForeColor) , new PointF(0,0), sf);
			
			g.DrawLine( ps, lt.Width, lth, Width,  lth );
			
			g.DrawLine( ph, lt.Width, lth + 1.0f, Width,  lth + 1.0f);
			
			if (this._image != null)
				g.DrawImage(this._image,  _imageLocation.X, _imageLocation.Y, this._image.Width, this._image.Height);
			
			sf.Dispose();
			ph.Dispose();
			ps.Dispose();
			h.Dispose();
			s.Dispose();

		}

		#region Component Designer generated code
		/// <summary> 
		/// Required method for Designer support - do not modify 
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			// 
			// OptionSectionPanel
			// 
			this.Size = new System.Drawing.Size(220, 150);

		}
		#endregion

		/// <summary>
		/// Set/Get the image to be displayed for this option
		/// </summary>
		[
		Browsable(true), DesignerSerializationVisibility(DesignerSerializationVisibility.Visible),
		DefaultValue(null),
		Category("Appearance")
		]
		public Image Image 
		{
			get { return this._image;	}
			set 
			{ 
				this._image = value;	
				this.Invalidate();
			}
		}

		/// <summary>
		/// Set/Get the section caption text
		/// </summary>
		[
		Browsable(true), Localizable(true), DesignerSerializationVisibility(DesignerSerializationVisibility.Visible),
		DefaultValue(null),
		Category("Appearance")
		]
		public override string Text 
		{
			get 
			{
				return base.Text;
			}
			set 
			{
				base.Text = value;
				this.Invalidate();
			}
		}


		/// <summary>
		/// Set/Get the Image Location.
		/// </summary>
		[
		Browsable(true), DesignerSerializationVisibility(DesignerSerializationVisibility.Visible),
		Category("Layout")
		]
		public Point ImageLocation 
		{
			get 
			{
				return _imageLocation;
			}
			set 
			{
				_imageLocation = value;
				this.Invalidate();
			}
		}
	}
}