[2618] | 1 | #region License Information
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| 2 | /* HeuristicLab
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[11185] | 3 | * Copyright (C) 2002-2014 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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[3560] | 26 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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[2618] | 27 |
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| 28 | namespace HeuristicLab.Collections {
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[3560] | 29 | [StorableClass]
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[2618] | 30 | [Serializable]
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| 31 | public class ReadOnlyObservableKeyedCollection<TKey, TItem> : IObservableKeyedCollection<TKey, TItem> {
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[3560] | 32 | [Storable]
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[3390] | 33 | protected IObservableKeyedCollection<TKey, TItem> collection;
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[2618] | 34 |
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| 35 | #region Properties
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| 36 | public int Count {
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| 37 | get { return collection.Count; }
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| 38 | }
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| 39 | bool ICollection<TItem>.IsReadOnly {
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| 40 | get { return true; }
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| 41 | }
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| 42 |
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| 43 | public TItem this[TKey key] {
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| 44 | get {
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| 45 | return collection[key];
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| 46 | }
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| 47 | }
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| 48 | #endregion
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| 49 |
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| 50 | #region Constructors
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[3019] | 51 | protected ReadOnlyObservableKeyedCollection() { }
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[2618] | 52 | public ReadOnlyObservableKeyedCollection(IObservableKeyedCollection<TKey, TItem> collection) {
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| 53 | if (collection == null) throw new ArgumentNullException();
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| 54 | this.collection = collection;
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[3002] | 55 | RegisterEvents();
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| 56 | }
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[3560] | 57 | [StorableConstructor]
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| 58 | protected ReadOnlyObservableKeyedCollection(bool deserializing) { }
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[4722] | 59 |
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| 60 | [StorableHook(HookType.AfterDeserialization)]
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| 61 | private void AfterDeserialization() {
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| 62 | RegisterEvents();
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| 63 | }
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[2618] | 64 | #endregion
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| 65 |
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| 66 | #region Access
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| 67 | public bool ContainsKey(TKey key) {
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| 68 | return collection.ContainsKey(key);
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| 69 | }
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| 70 | public bool Contains(TItem item) {
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| 71 | return collection.Contains(item);
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| 72 | }
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| 73 |
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| 74 | public bool TryGetValue(TKey key, out TItem item) {
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| 75 | return collection.TryGetValue(key, out item);
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| 76 | }
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| 77 | #endregion
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| 78 |
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| 79 | #region Manipulation
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| 80 | void ICollection<TItem>.Add(TItem item) {
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| 81 | throw new NotSupportedException();
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| 82 | }
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| 83 |
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[2623] | 84 | bool IObservableKeyedCollection<TKey, TItem>.Remove(TKey key) {
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| 85 | throw new NotSupportedException();
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| 86 | }
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[2618] | 87 | bool ICollection<TItem>.Remove(TItem item) {
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| 88 | throw new NotSupportedException();
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| 89 | }
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| 90 |
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| 91 | void ICollection<TItem>.Clear() {
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| 92 | throw new NotSupportedException();
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| 93 | }
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| 94 | #endregion
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| 95 |
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| 96 | #region Conversion
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| 97 | public void CopyTo(TItem[] array, int arrayIndex) {
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| 98 | collection.CopyTo(array, arrayIndex);
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| 99 | }
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| 100 | #endregion
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| 101 |
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| 102 | #region Enumeration
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| 103 | public IEnumerator<TItem> GetEnumerator() {
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| 104 | return ((IEnumerable<TItem>)collection).GetEnumerator();
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| 105 | }
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| 106 | IEnumerator IEnumerable.GetEnumerator() {
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| 107 | return ((IEnumerable)collection).GetEnumerator();
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| 108 | }
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| 109 | #endregion
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| 110 |
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| 111 | #region Events
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[3019] | 112 | protected void RegisterEvents() {
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| 113 | collection.ItemsAdded += new CollectionItemsChangedEventHandler<TItem>(collection_ItemsAdded);
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| 114 | collection.ItemsRemoved += new CollectionItemsChangedEventHandler<TItem>(collection_ItemsRemoved);
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| 115 | collection.ItemsReplaced += new CollectionItemsChangedEventHandler<TItem>(collection_ItemsReplaced);
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| 116 | collection.CollectionReset += new CollectionItemsChangedEventHandler<TItem>(collection_CollectionReset);
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| 117 | collection.PropertyChanged += new PropertyChangedEventHandler(collection_PropertyChanged);
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| 118 | }
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| 119 |
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[2618] | 120 | [field: NonSerialized]
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| 121 | public event CollectionItemsChangedEventHandler<TItem> ItemsAdded;
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| 122 | protected virtual void OnItemsAdded(IEnumerable<TItem> items) {
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[3317] | 123 | CollectionItemsChangedEventHandler<TItem> handler = ItemsAdded;
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| 124 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<TItem>(items));
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[2618] | 125 | }
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| 126 |
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| 127 | [field: NonSerialized]
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| 128 | public event CollectionItemsChangedEventHandler<TItem> ItemsRemoved;
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| 129 | protected virtual void OnItemsRemoved(IEnumerable<TItem> items) {
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[3317] | 130 | CollectionItemsChangedEventHandler<TItem> handler = ItemsRemoved;
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| 131 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<TItem>(items));
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[2618] | 132 | }
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| 133 |
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| 134 | [field: NonSerialized]
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| 135 | public event CollectionItemsChangedEventHandler<TItem> ItemsReplaced;
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| 136 | protected virtual void OnItemsReplaced(IEnumerable<TItem> items, IEnumerable<TItem> oldItems) {
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[3317] | 137 | CollectionItemsChangedEventHandler<TItem> handler = ItemsReplaced;
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| 138 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<TItem>(items, oldItems));
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[2618] | 139 | }
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| 140 |
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| 141 | [field: NonSerialized]
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| 142 | public event CollectionItemsChangedEventHandler<TItem> CollectionReset;
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| 143 | protected virtual void OnCollectionReset(IEnumerable<TItem> items, IEnumerable<TItem> oldItems) {
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[3317] | 144 | CollectionItemsChangedEventHandler<TItem> handler = CollectionReset;
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| 145 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<TItem>(items, oldItems));
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[2618] | 146 | }
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| 147 |
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[2620] | 148 | [field: NonSerialized]
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| 149 | public event PropertyChangedEventHandler PropertyChanged;
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| 150 | protected virtual void OnPropertyChanged(string propertyName) {
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[3317] | 151 | PropertyChangedEventHandler handler = PropertyChanged;
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| 152 | if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
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[2620] | 153 | }
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| 154 |
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[2618] | 155 | private void collection_ItemsAdded(object sender, CollectionItemsChangedEventArgs<TItem> e) {
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| 156 | OnItemsAdded(e.Items);
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| 157 | }
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| 158 | private void collection_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<TItem> e) {
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| 159 | OnItemsRemoved(e.Items);
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| 160 | }
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| 161 | private void collection_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<TItem> e) {
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| 162 | OnItemsReplaced(e.Items, e.OldItems);
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| 163 | }
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| 164 | private void collection_CollectionReset(object sender, CollectionItemsChangedEventArgs<TItem> e) {
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| 165 | OnCollectionReset(e.Items, e.OldItems);
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| 166 | }
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[2620] | 167 | private void collection_PropertyChanged(object sender, PropertyChangedEventArgs e) {
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| 168 | if (e.PropertyName.Equals("Item[]") || e.PropertyName.Equals("Count"))
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| 169 | OnPropertyChanged(e.PropertyName);
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| 170 | }
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[2618] | 171 | #endregion
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| 172 | }
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| 173 | }
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