Article Two: Building a UI Platform in C# - Testing via UI Animation

// (c) 2003-2005 Datron, Inc.  All rights reserved. http://www.blix.net

using System;
using System.Runtime.Serialization;
using UITestingFramework;

namespace freeBlix
{
	[Serializable]
	public class PaintState: CaseState, ISerializable, IColorCollection, ILeft, ITop, IRight, IBottom, IWidth, IHeight, IPaintStateCollection					 														 										 									 
	{		
		#region Fields
		private System.Drawing.Bitmap _Offscreen;
		private RectangleColorSample _ColorSample;
		private int _Left;
		private int _Top;
		private int _Right;
		private int _Bottom;
		private int _Width;
		private int _Height;
		private PaintStateCollection _States;
		private string _ControlType;
		#endregion

		#region PaintState()
		public PaintState()
		{
			_States = new PaintStateCollection();
		}
		#endregion
	
		#region ExtractTestValues
		public override void ExtractTestValues()
		{
			Control control = (Control) TestObject;
		
			_ControlType = control.GetType().Name;

			_ColorSample = new RectangleColorSample(control, _Offscreen);

			if (((IBounds) control).Bounds is Rectangle)
			{
				Rectangle rectangle = (Rectangle) ((IBounds)control).Bounds;

				_Left = rectangle.Left;
				_Top = rectangle.Top;
				_Right = rectangle.Right;
				_Bottom = rectangle.Bottom;
				_Width = rectangle.Width;
				_Height = rectangle.Height;
			}		

			_States.Clear();

			if (control is ControlOverlay)
			{
				ControlOverlay controlOverlay = (ControlOverlay) control;

				foreach (Control childControl in ((IChildren)controlOverlay).Children.Controls)
				{
					PaintState childState = new PaintState();

					childState.Offscreen = _Offscreen;

					childState.TestObject = childControl;

					childState.ExtractTestValues();

					_States.Add(childState);
				}
			}
		}
		#endregion			
		
		#region ControlType
		public string ControlType
		{
			get
			{
				return _ControlType;
			}
		}
		#endregion
		#region Offscreen
		public System.Drawing.Bitmap Offscreen
		{
			get
			{
				return _Offscreen;
			}
			set
			{
				_Offscreen = value;
			}
		}
		#endregion		

		#region IColorCollection
		ColorCollection IColorCollection.Colors
		{
			get
			{
				if (_ColorSample != null)
					return _ColorSample.Colors;
				else
					return new ColorCollection();
			}
		}
		#endregion				
		#region ILeft
		int ILeft.Left
		{
			get
			{
				return _Left;
			}
		}
		#endregion
		#region ITop
		int ITop.Top
		{
			get
			{
				return _Top;
			}			
		}
		#endregion
		#region IWidth
		int IWidth.Width
		{
			get
			{
				return _Width;
			}			
		}
		#endregion
		#region IHeight
		int IHeight.Height
		{
			get
			{
				return _Height;
			}			
		}
		#endregion
		#region IRight
		int IRight.Right
		{
			get
			{
				return _Right;
			}			
		}
		#endregion
		#region IBottom
		int IBottom.Bottom
		{
			get
			{
				return _Bottom;
			}
		}
		#endregion		
		#region IPaintStateCollection
		PaintStateCollection IPaintStateCollection.States
		{
			get
			{
				return _States;
			}
		}
		#endregion		

		#region ISerializable
		protected PaintState(SerializationInfo aInfo, StreamingContext aContext)
		{
			_ColorSample = (RectangleColorSample) aInfo.GetValue("_ColorSample", typeof(RectangleColorSample));
			_States = (PaintStateCollection) aInfo.GetValue("_States", typeof(PaintStateCollection));
			_ControlType = (string) aInfo.GetValue("_ControlType", typeof(string));
			_Left = (int) aInfo.GetValue("_Left", typeof(int));
			_Top = (int) aInfo.GetValue("_Top", typeof(int));
			_Right = (int) aInfo.GetValue("_Right", typeof(int));
			_Bottom = (int) aInfo.GetValue("_Bottom", typeof(int));
			_Width = (int) aInfo.GetValue("_Width", typeof(int));
			_Height = (int) aInfo.GetValue("_Height", typeof(int));
		}
		public override void GetObjectData(SerializationInfo aInfo, StreamingContext aContext)
		{		
			aInfo.AddValue("_ColorSample", _ColorSample);
			aInfo.AddValue("_States", _States);
			aInfo.AddValue("_ControlType", _ControlType);
			aInfo.AddValue("_Left", _Left);
			aInfo.AddValue("_Top", _Top);
			aInfo.AddValue("_Right", _Right);
			aInfo.AddValue("_Bottom", _Bottom);
			aInfo.AddValue("_Width", _Width);
			aInfo.AddValue("_Height", _Height);
		}
		#endregion
	}
}