[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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[3368] | 26 | using HeuristicLab.Common;
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[2618] | 27 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 28 |
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| 29 | namespace HeuristicLab.Collections {
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| 30 | [Serializable]
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[3017] | 31 | [StorableClass]
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[2618] | 32 | public class ReadOnlyObservableDictionary<TKey, TValue> : IObservableDictionary<TKey, TValue> {
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| 33 | [Storable]
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| 34 | private IObservableDictionary<TKey, TValue> dict;
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| 35 |
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| 36 | #region Properties
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[3317] | 37 | public bool ReadOnlyView {
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| 38 | get { return true; }
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| 39 | set { throw new NotSupportedException(); }
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| 40 | }
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| 41 |
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[2618] | 42 | public ICollection<TKey> Keys {
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| 43 | get { return dict.Keys; }
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| 44 | }
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| 45 | public ICollection<TValue> Values {
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| 46 | get { return dict.Values; }
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| 47 | }
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| 48 | public int Count {
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| 49 | get { return dict.Count; }
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| 50 | }
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| 51 | bool ICollection<KeyValuePair<TKey, TValue>>.IsReadOnly {
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| 52 | get { return true; }
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| 53 | }
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| 54 |
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| 55 | public TValue this[TKey key] {
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| 56 | get { return dict[key]; }
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| 57 | }
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| 58 | TValue IDictionary<TKey, TValue>.this[TKey key] {
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| 59 | get { return dict[key]; }
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| 60 | set { throw new NotSupportedException(); }
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| 61 | }
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| 62 | #endregion
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| 63 |
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| 64 | #region Constructors
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[3019] | 65 | protected ReadOnlyObservableDictionary() { }
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[2618] | 66 | public ReadOnlyObservableDictionary(IObservableDictionary<TKey, TValue> dictionary) {
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| 67 | if (dictionary == null) throw new ArgumentNullException();
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| 68 | dict = dictionary;
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[3002] | 69 | RegisterEvents();
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| 70 | }
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[2618] | 71 | #endregion
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| 72 |
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| 73 | #region Access
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| 74 | public bool ContainsKey(TKey key) {
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| 75 | return dict.ContainsKey(key);
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| 76 | }
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| 77 | bool ICollection<KeyValuePair<TKey, TValue>>.Contains(KeyValuePair<TKey, TValue> item) {
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| 78 | return dict.Contains(item);
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| 79 | }
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| 80 |
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| 81 | public bool TryGetValue(TKey key, out TValue value) {
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| 82 | return dict.TryGetValue(key, out value);
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| 83 | }
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| 84 | #endregion
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| 85 |
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| 86 | #region Manipulation
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| 87 | void IDictionary<TKey, TValue>.Add(TKey key, TValue value) {
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| 88 | throw new NotSupportedException();
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| 89 | }
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| 90 | void ICollection<KeyValuePair<TKey, TValue>>.Add(KeyValuePair<TKey, TValue> item) {
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| 91 | throw new NotSupportedException();
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| 92 | }
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| 93 |
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| 94 | bool IDictionary<TKey, TValue>.Remove(TKey key) {
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| 95 | throw new NotSupportedException();
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| 96 | }
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| 97 | bool ICollection<KeyValuePair<TKey, TValue>>.Remove(KeyValuePair<TKey, TValue> item) {
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| 98 | throw new NotSupportedException();
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| 99 | }
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| 100 |
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| 101 | void ICollection<KeyValuePair<TKey, TValue>>.Clear() {
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| 102 | throw new NotSupportedException();
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| 103 | }
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| 104 | #endregion
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| 105 |
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| 106 | #region Conversion
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| 107 | void ICollection<KeyValuePair<TKey, TValue>>.CopyTo(KeyValuePair<TKey, TValue>[] array, int arrayIndex) {
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| 108 | ((ICollection<KeyValuePair<TKey, TValue>>)dict).CopyTo(array, arrayIndex);
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| 109 | }
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| 110 | #endregion
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| 111 |
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| 112 | #region Enumeration
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| 113 | public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator() {
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| 114 | return dict.GetEnumerator();
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| 115 | }
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| 116 | IEnumerator IEnumerable.GetEnumerator() {
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| 117 | return ((IEnumerable)dict).GetEnumerator();
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| 118 | }
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| 119 | #endregion
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| 120 |
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| 121 | #region Events
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[3019] | 122 | [StorableHook(HookType.AfterDeserialization)]
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| 123 | protected void RegisterEvents() {
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| 124 | dict.ItemsAdded += new CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>>(dict_ItemsAdded);
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| 125 | dict.ItemsRemoved += new CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>>(dict_ItemsRemoved);
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| 126 | dict.ItemsReplaced += new CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>>(dict_ItemsReplaced);
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| 127 | dict.CollectionReset += new CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>>(dict_CollectionReset);
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| 128 | dict.PropertyChanged += new PropertyChangedEventHandler(dict_PropertyChanged);
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| 129 | }
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| 130 |
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[3368] | 131 | event EventHandler IContent.ReadOnlyViewChanged {
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[3317] | 132 | add { }
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| 133 | remove { }
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| 134 | }
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| 135 |
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[2618] | 136 | [field: NonSerialized]
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| 137 | public event CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> ItemsAdded;
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| 138 | protected virtual void OnItemsAdded(IEnumerable<KeyValuePair<TKey, TValue>> items) {
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[3317] | 139 | CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> handler = ItemsAdded;
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| 140 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>>(items));
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[2618] | 141 | }
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| 142 |
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| 143 | [field: NonSerialized]
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| 144 | public event CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> ItemsRemoved;
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| 145 | protected virtual void OnItemsRemoved(IEnumerable<KeyValuePair<TKey, TValue>> items) {
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[3317] | 146 | CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> handler = ItemsRemoved;
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| 147 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>>(items));
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[2618] | 148 | }
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| 149 |
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| 150 | [field: NonSerialized]
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| 151 | public event CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> ItemsReplaced;
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| 152 | protected virtual void OnItemsReplaced(IEnumerable<KeyValuePair<TKey, TValue>> items, IEnumerable<KeyValuePair<TKey, TValue>> oldItems) {
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[3317] | 153 | CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> handler = ItemsReplaced;
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| 154 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>>(items, oldItems));
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[2618] | 155 | }
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| 156 |
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| 157 | [field: NonSerialized]
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| 158 | public event CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> CollectionReset;
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| 159 | protected virtual void OnCollectionReset(IEnumerable<KeyValuePair<TKey, TValue>> items, IEnumerable<KeyValuePair<TKey, TValue>> oldItems) {
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[3317] | 160 | CollectionItemsChangedEventHandler<KeyValuePair<TKey, TValue>> handler = CollectionReset;
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| 161 | if (handler != null) handler(this, new CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>>(items, oldItems));
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[2618] | 162 | }
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| 163 |
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[2620] | 164 | [field: NonSerialized]
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| 165 | public event PropertyChangedEventHandler PropertyChanged;
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| 166 | protected virtual void OnPropertyChanged(string propertyName) {
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[3317] | 167 | PropertyChangedEventHandler handler = PropertyChanged;
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| 168 | if (handler != null) handler(this, new PropertyChangedEventArgs(propertyName));
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[2620] | 169 | }
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| 170 |
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[2618] | 171 | private void dict_ItemsAdded(object sender, CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>> e) {
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| 172 | OnItemsAdded(e.Items);
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| 173 | }
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| 174 | private void dict_ItemsRemoved(object sender, CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>> e) {
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| 175 | OnItemsRemoved(e.Items);
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| 176 | }
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| 177 | private void dict_ItemsReplaced(object sender, CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>> e) {
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| 178 | OnItemsReplaced(e.Items, e.OldItems);
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| 179 | }
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| 180 | private void dict_CollectionReset(object sender, CollectionItemsChangedEventArgs<KeyValuePair<TKey, TValue>> e) {
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| 181 | OnCollectionReset(e.Items, e.OldItems);
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| 182 | }
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[2620] | 183 | private void dict_PropertyChanged(object sender, PropertyChangedEventArgs e) {
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| 184 | if (e.PropertyName.Equals("Item[]") || e.PropertyName.Equals("Keys") || e.PropertyName.Equals("Values") || e.PropertyName.Equals("Count"))
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| 185 | OnPropertyChanged(e.PropertyName);
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| 186 | }
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[2618] | 187 | #endregion
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| 188 | }
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| 189 | }
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