StoreContentChangedEventArgs.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 / Framework / System / Windows / Annotations / Storage / StoreContentChangedEventArgs.cs / 1305600 / StoreContentChangedEventArgs.cs
                        

                        
                            //------------------------------------------------------------------------------ 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// Description: 
//     The AnnotationStore.StoreContentChanged event is generated when any 
//     changes are made to an annotation in an AnnotationStore.
// 
//     File contains the StoreContentChangedEventArgs class, the
//     AnnotationStoreEnum and the StoreContentChangedEventHandler delegate.
//     Spec: http://team/sites/ag/Specifications/CAF%20Storage%20Spec.doc
// 
// History:
//  07/10/2003: rruiz:    Created (split from AnnotationStore.cs file). 
// 
//-----------------------------------------------------------------------------
using System; 
using System.Collections;
using System.Xml;

namespace System.Windows.Annotations.Storage 
{
    ///  
    ///     Event handler delegate for AnnotationUpdated event.  Listeners for 
    ///     this event must supply a delegate with this signature.
    ///  
    /// AnnotationStore in which the change took place
    /// the event data
    public delegate void StoreContentChangedEventHandler(object sender, StoreContentChangedEventArgs e);
 
    /// 
    ///     Possible actions performed on an IAnnotation in an AnnotationStore. 
    ///  
    public enum StoreContentAction
    { 
        /// 
        ///     Annotation was added to the store
        /// 
        Added, 
        /// 
        ///     Annotation was deleted from the store 
        ///  
        Deleted
    } 

    /// 
    ///     The AnnotationUpdated event is generated when any changes are made
    ///     to an annotation in an AnnotationStore.  An instance of this class 
    ///     specifies the action that was taken and the IAnnotation that was
    ///     acted upon. 
    ///  
    public class StoreContentChangedEventArgs : System.EventArgs
    { 
        //-----------------------------------------------------
        //
        //  Constructors
        // 
        //-----------------------------------------------------
 
        #region Constructors 

        ///  
        ///     Creates an instance of AnnotationUpdatedEventArgs with the
        ///     specified action and annotation.
        /// 
        /// the action that was performed on an annotation 
        /// the annotation that was updated
        public StoreContentChangedEventArgs(StoreContentAction action, Annotation annotation) 
        { 
            if (annotation == null)
                throw new ArgumentNullException("annotation"); 

            _action = action;
            _annotation = annotation;
        } 

        #endregion Constructors 
 
        //------------------------------------------------------
        // 
        //  Public Methods
        //
        //-----------------------------------------------------
 
        //------------------------------------------------------
        // 
        //  Public Operators 
        //
        //------------------------------------------------------ 

        //-----------------------------------------------------
        //
        //  Public Properties 
        //
        //------------------------------------------------------ 
 
        #region Public Properties
 
        /// 
        ///     Returns the IAnnotation that was updated.
        /// 
        public Annotation Annotation 
        {
            get 
            { 
                return _annotation;
            } 
        }

        /// 
        ///     Returns the action that was performed on the annotation. 
        /// 
        public StoreContentAction Action 
        { 
            get
            { 
                return _action;
            }
        }
 
        #endregion Public Properties
 
        //----------------------------------------------------- 
        //
        //  Public Events 
        //
        //-----------------------------------------------------

        //----------------------------------------------------- 
        //
        //  Private Fields 
        // 
        //------------------------------------------------------
 
        #region Private Fields

        private StoreContentAction  _action;        // action taken on the annotation
        private Annotation          _annotation;    // annotation that was updated 

        #endregion Private Fields 
    } 
}

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

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