[2618] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[2790] | 3 | * Copyright (C) 2002-2010 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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[2618] | 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System;
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| 23 | using System.Collections;
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| 24 | using System.Collections.Generic;
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[2620] | 25 | using System.ComponentModel;
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[2618] | 26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 27 |
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| 28 | namespace HeuristicLab.Collections {
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| 29 | [Serializable]
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| 30 | public class ReadOnlyObservableDictionary<TKey, TValue> : IObservableDictionary<TKey, TValue> {
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| 31 | [Storable]
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| 32 | private IObservableDictionary<TKey, TValue> dict;
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| 33 |
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| 34 | #region Properties
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| 35 | public ICollection<TKey> Keys {
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| 36 | get { return dict.Keys; }
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| 37 | }
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| 38 | public ICollection<TValue> Values {
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| 39 | get { return dict.Values; }
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| 40 | }
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| 41 | public int Count {
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| 42 | get { return dict.Count; }
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| 43 | }
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| 44 | bool ICollection<KeyValuePair<TKey, TValue>>.IsReadOnly {
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| 45 | get { return true; }
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| 46 | }
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| 47 |
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| 48 | public TValue this[TKey key] {
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| 49 | get { return dict[key]; }
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| 50 | }
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| 51 | TValue IDictionary<TKey, TValue>.this[TKey key] {
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| 52 | get { return dict[key]; }
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| 53 | set { throw new NotSupportedException(); }
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| 54 | }
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| 55 | #endregion
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| 56 |
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| 57 | #region Constructors
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| 58 | public ReadOnlyObservableDictionary(IObservableDictionary<TKey, TValue> dictionary) {
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| 59 | if (dictionary == null) throw new ArgumentNullException();
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| 60 | dict = dictionary;
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| 61 | dict.ItemsAdded += new CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>>(dict_ItemsAdded);
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| 62 | dict.ItemsRemoved += new CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>>(dict_ItemsRemoved);
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| 63 | dict.ItemsReplaced += new CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>>(dict_ItemsReplaced);
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| 64 | dict.CollectionReset += new CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>>(dict_CollectionReset);
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[2620] | 65 | dict.PropertyChanged += new PropertyChangedEventHandler(dict_PropertyChanged);
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[2618] | 66 | }
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| 67 | #endregion
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| 68 |
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| 69 | #region Access
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| 70 | public bool ContainsKey(TKey key) {
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| 71 | return dict.ContainsKey(key);
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| 72 | }
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| 73 | bool ICollection<KeyValuePair<TKey, TValue>>.Contains(KeyValuePair<TKey, TValue> item) {
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| 74 | return dict.Contains(item);
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| 75 | }
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| 76 |
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| 77 | public bool TryGetValue(TKey key, out TValue value) {
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| 78 | return dict.TryGetValue(key, out value);
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| 79 | }
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| 80 | #endregion
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| 81 |
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| 82 | #region Manipulation
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| 83 | void IDictionary<TKey, TValue>.Add(TKey key, TValue value) {
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| 84 | throw new NotSupportedException();
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| 85 | }
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| 86 | void ICollection<KeyValuePair<TKey, TValue>>.Add(KeyValuePair<TKey, TValue> item) {
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| 87 | throw new NotSupportedException();
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| 88 | }
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| 89 |
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| 90 | bool IDictionary<TKey, TValue>.Remove(TKey key) {
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| 91 | throw new NotSupportedException();
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| 92 | }
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| 93 | bool ICollection<KeyValuePair<TKey, TValue>>.Remove(KeyValuePair<TKey, TValue> item) {
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| 94 | throw new NotSupportedException();
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| 95 | }
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| 96 |
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| 97 | void ICollection<KeyValuePair<TKey, TValue>>.Clear() {
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| 98 | throw new NotSupportedException();
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| 99 | }
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| 100 | #endregion
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| 101 |
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| 102 | #region Conversion
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| 103 | void ICollection<KeyValuePair<TKey, TValue>>.CopyTo(KeyValuePair<TKey, TValue>[] array, int arrayIndex) {
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| 104 | ((ICollection<KeyValuePair<TKey, TValue>>)dict).CopyTo(array, arrayIndex);
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| 105 | }
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| 106 | #endregion
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| 107 |
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| 108 | #region Enumeration
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| 109 | public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator() {
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| 110 | return dict.GetEnumerator();
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| 111 | }
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| 112 | IEnumerator IEnumerable.GetEnumerator() {
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| 113 | return ((IEnumerable)dict).GetEnumerator();
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| 114 | }
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| 115 | #endregion
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| 116 |
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| 117 | #region Events
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| 118 | [field: NonSerialized]
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| 119 | public event CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> ItemsAdded;
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| 120 | protected virtual void OnItemsAdded(IEnumerable<KeyValuePair<TKey, TValue>> items) {
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| 121 | if (ItemsAdded != null)
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| 122 | ItemsAdded(this, new CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>>(items));
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| 123 | }
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| 124 |
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| 125 | [field: NonSerialized]
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| 126 | public event CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> ItemsRemoved;
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| 127 | protected virtual void OnItemsRemoved(IEnumerable<KeyValuePair<TKey, TValue>> items) {
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| 128 | if (ItemsRemoved != null)
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| 129 | ItemsRemoved(this, new CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>>(items));
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| 130 | }
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| 131 |
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| 132 | [field: NonSerialized]
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| 133 | public event CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> ItemsReplaced;
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| 134 | protected virtual void OnItemsReplaced(IEnumerable<KeyValuePair<TKey, TValue>> items, IEnumerable<KeyValuePair<TKey, TValue>> oldItems) {
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| 135 | if (ItemsReplaced != null)
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| 136 | ItemsReplaced(this, new CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>>(items, oldItems));
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| 137 | }
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| 138 |
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| 139 | [field: NonSerialized]
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| 140 | public event CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> CollectionReset;
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| 141 | protected virtual void OnCollectionReset(IEnumerable<KeyValuePair<TKey, TValue>> items, IEnumerable<KeyValuePair<TKey, TValue>> oldItems) {
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| 142 | if (CollectionReset != null)
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| 143 | CollectionReset(this, new CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>>(items, oldItems));
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| 144 | }
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| 145 |
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[2620] | 146 | [field: NonSerialized]
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| 147 | public event PropertyChangedEventHandler PropertyChanged;
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| 148 | protected virtual void OnPropertyChanged(string propertyName) {
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| 149 | if (PropertyChanged != null)
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| 150 | PropertyChanged(this, new PropertyChangedEventArgs(propertyName));
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| 151 | }
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| 152 |
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[2618] | 153 | private void dict_ItemsAdded(object sender, CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>> e) {
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| 154 | OnItemsAdded(e.Items);
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| 155 | }
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| 156 | private void dict_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>> e) {
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| 157 | OnItemsRemoved(e.Items);
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| 158 | }
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| 159 | private void dict_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>> e) {
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| 160 | OnItemsReplaced(e.Items, e.OldItems);
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| 161 | }
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| 162 | private void dict_CollectionReset(object sender, CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>> e) {
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| 163 | OnCollectionReset(e.Items, e.OldItems);
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| 164 | }
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[2620] | 165 | private void dict_PropertyChanged(object sender, PropertyChangedEventArgs e) {
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| 166 | if (e.PropertyName.Equals("Item[]") || e.PropertyName.Equals("Keys") || e.PropertyName.Equals("Values") || e.PropertyName.Equals("Count"))
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| 167 | OnPropertyChanged(e.PropertyName);
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| 168 | }
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[2618] | 169 | #endregion
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| 170 | }
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| 171 | }
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