netDxf/Collections/ObservableDictionaryBaseEventArgs.cs

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#region netDxf, Copyright(C) 2014 Daniel Carvajal, Licensed under LGPL.

//                        netDxf library
// Copyright (C) 2014 Daniel Carvajal (haplokuon@gmail.com)
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 

#endregion

using System;
using System.Collections.Generic;

namespace netDxf.Collections
{
    /// <summary>
    /// Represents the arguments thrown by the <c>ObservableDictionaryEventArgs</c> events.
    /// </summary>
    /// <typeparam name="TKey">Type of items.</typeparam>
    /// <typeparam name="TValue">Type of items.</typeparam>
    public class ObservableDictionaryBaseEventArgs<TKey, TValue> :
        EventArgs
    {
        #region private fields

        private readonly KeyValuePair<TKey, TValue> item;
        private bool cancel;

        #endregion

        #region constructor

        /// <summary>
        /// Initializes a new instance of <c>ObservableDictionaryEventArgs</c>.
        /// </summary>
        /// <param name="item">Item that is being added or removed from the dictionary.</param>
        public ObservableDictionaryBaseEventArgs(KeyValuePair<TKey, TValue> item)
        {
            this.item = item;
            this.cancel = false;
        }

        #endregion

        #region public properties

        /// <summary>
        /// Get the item that is being added to or removed from the dictionary.