TouchPoint.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / Input / TouchPoint.cs / 1305600 / TouchPoint.cs
                        

                        
                            //---------------------------------------------------------------------------- 
//
// Copyright (C) Microsoft Corporation.  All rights reserved.
//
//--------------------------------------------------------------------------- 

using System; 
using System.Windows; 
using System.Windows.Input;
 
namespace System.Windows.Input
{
    /// 
    ///     Describes a particular position and bounds of a TouchDevice. 
    /// 
    public class TouchPoint : IEquatable 
    { 
        /// 
        ///     Creates an instance of this class and initializes its properties. 
        /// 
        /// 
        ///     The TouchDevice that this TouchPoint describes. Must be non-null.
        ///  
        /// 
        ///     The current location of the device. 
        ///     The coordinate space of this parameter is defined by the caller and should be 
        ///     consistent with the rectBounds parameter.
        ///  
        /// 
        ///     The bounds of the area that the TouchDevice (i.e. finger) is in contact with the screen.
        ///     The coordinate space of this parameter is defined by the caller and should be
        ///     consistent with the position parameter. 
        /// 
        ///     Indicates the last action that occured by this device at this location. 
        ///  
        public TouchPoint(TouchDevice device, Point position, Rect bounds, TouchAction action)
        { 
            if (device == null)
            {
                throw new ArgumentNullException("device");
            } 

            TouchDevice = device; 
            Position = position; 
            Bounds = bounds;
            Action = action; 
        }

        /// 
        ///     The device associated with this TouchPoint. 
        /// 
        public TouchDevice TouchDevice 
        { 
            get;
            private set; 
        }

        /// 
        ///     The position of this device. The coordinate space is defined 
        ///     by the provider of this object.
        ///  
        public Point Position 
        {
            get; 
            private set;
        }

        ///  
        ///     The bounds of the area that the finger is in contact with
        ///     the screen. The coordinate space is defined by the 
        ///     provider of this object. 
        /// 
        public Rect Bounds 
        {
            get;
            private set;
        } 

        ///  
        ///     Equivalent to Bounds.Size. 
        /// 
        public Size Size 
        {
            get
            {
                return Bounds.Size; 
            }
        } 
 
        /// 
        ///     The last action associated with this device. 
        /// 
        public TouchAction Action
        {
            get; 
            private set;
        } 
 
        #region IEquatable
 
        /// 
        ///     Whether two TouchPoints are equivalent.
        /// 
        /// Another TouchPoint. 
        /// true if this TouchPoint and the other TouchPoint are equivalent.
        bool IEquatable.Equals(TouchPoint other) 
        { 
            if (other != null)
            { 
                return (other.TouchDevice == TouchDevice) &&
                    (other.Position == Position) &&
                    (other.Bounds == Bounds) &&
                    (other.Action == Action); 
            }
 
            return false; 
        }
 
        #endregion
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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