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comparison Source/Common/Compatibility3.cs @ 0:f990fcb411a9

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Копия текущей версии из github
author cin
date Thu, 27 Mar 2014 21:46:09 +0400
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-1:000000000000 0:f990fcb411a9
1 #if FW2
2
3 namespace System
4 {
5 public delegate void Action();
6
7 public delegate void Action<T1, T2>(T1 arg1, T2 arg2);
8
9 public delegate void Action<T1, T2, T3>(T1 arg1, T2 arg2, T3 arg3);
10
11 public delegate void Action<T1, T2, T3, T4>(T1 arg1, T2 arg2, T3 arg3, T4 arg4);
12
13 public delegate TResult Func<TResult>();
14
15 public delegate TResult Func<T1, TResult>(T1 arg1);
16
17 public delegate TResult Func<T1, T2, TResult>(T1 arg1, T2 arg2);
18
19 public delegate TResult Func<T1, T2, T3, TResult>(T1 arg1, T2 arg2, T3 arg3);
20
21 public delegate TResult Func<T1, T2, T3, T4, TResult>(T1 arg1, T2 arg2, T3 arg3, T4 arg4);
22 }
23
24 namespace System.Collections.Specialized
25 {
26 public interface INotifyCollectionChanged
27 {
28 event NotifyCollectionChangedEventHandler CollectionChanged;
29 }
30
31 /// <summary>
32 /// This enum describes the action that caused a CollectionChanged event.
33 /// </summary>
34 public enum NotifyCollectionChangedAction
35 {
36 /// <summary> One or more items were added to the collection. </summary>
37 Add,
38 /// <summary> One or more items were removed from the collection. </summary>
39 Remove,
40 /// <summary> One or more items were replaced in the collection. </summary>
41 Replace,
42 /// <summary> One or more items were moved within the collection. </summary>
43 Move,
44 /// <summary> The contents of the collection changed dramatically. </summary>
45 Reset,
46 }
47
48 /// <summary>
49 /// Arguments for the CollectionChanged event. A collection that supports
50 /// INotifyCollectionChangedThis raises this event whenever an item is added or
51 /// removed, or when the contents of the collection changes dramatically.
52 /// </summary>
53 public class NotifyCollectionChangedEventArgs : EventArgs
54 {
55 #region .ctors
56
57 /// <summary>
58 /// Construct a NotifyCollectionChangedEventArgs that describes a reset change.
59 /// </summary>
60 /// <param name="action">The action that caused the event (must be Reset).</param>
61 public NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction action)
62 : this(action, null, -1)
63 {
64 }
65
66 /// <summary>
67 /// Construct a NotifyCollectionChangedEventArgs that describes a one-item change.
68 /// </summary>
69 /// <param name="action">The action that caused the event; can only be Reset, Add or Remove action.</param>
70 /// <param name="changedItem">The item affected by the change.</param>
71 public NotifyCollectionChangedEventArgs(
72 NotifyCollectionChangedAction action,
73 object changedItem)
74 : this(action, changedItem, -1)
75 {
76 }
77
78 /// <summary>
79 /// Construct a NotifyCollectionChangedEventArgs that describes a one-item change.
80 /// </summary>
81 /// <param name="action">The action that caused the event.</param>
82 /// <param name="changedItem">The item affected by the change.</param>
83 /// <param name="index">The index where the change occurred.</param>
84 public NotifyCollectionChangedEventArgs(
85 NotifyCollectionChangedAction action,
86 object changedItem,
87 int index)
88 : this(action, changedItem == null? null: new[]{ changedItem }, index)
89 {
90 }
91
92 /// <summary>
93 /// Construct a NotifyCollectionChangedEventArgs that describes a multi-item change.
94 /// </summary>
95 /// <param name="action">The action that caused the event.</param>
96 /// <param name="changedItems">The items affected by the change.</param>
97 public NotifyCollectionChangedEventArgs(
98 NotifyCollectionChangedAction action,
99 IList changedItems)
100 : this(action, changedItems, -1)
101 {
102 }
103
104 /// <summary>
105 /// Construct a NotifyCollectionChangedEventArgs that describes a multi-item change (or a reset).
106 /// </summary>
107 /// <param name="action">The action that caused the event.</param>
108 /// <param name="changedItems">The items affected by the change.</param>
109 /// <param name="startingIndex">The index where the change occurred.</param>
110 public NotifyCollectionChangedEventArgs(
111 NotifyCollectionChangedAction action,
112 IList changedItems,
113 int startingIndex)
114 {
115 _action = action;
116
117 if (action == NotifyCollectionChangedAction.Add)
118 {
119 _newItems = changedItems;
120 _newStartingIndex = startingIndex;
121 }
122 else if (action == NotifyCollectionChangedAction.Remove)
123 {
124 _oldItems = changedItems;
125 _oldStartingIndex = startingIndex;
126 }
127 }
128
129 /// <summary>
130 /// Construct a NotifyCollectionChangedEventArgs that describes a one-item Replace event.
131 /// </summary>
132 /// <param name="action">Can only be a Replace action.</param>
133 /// <param name="newItem">The new item replacing the original item.</param>
134 /// <param name="oldItem">The original item that is replaced.</param>
135 public NotifyCollectionChangedEventArgs(
136 NotifyCollectionChangedAction action,
137 object newItem,
138 object oldItem)
139 : this(action, new[] { newItem }, new[] { oldItem }, -1)
140 {
141 }
142
143 /// <summary>
144 /// Construct a NotifyCollectionChangedEventArgs that describes a one-item Replace event.
145 /// </summary>
146 /// <param name="action">Can only be a Replace action.</param>
147 /// <param name="newItem">The new item replacing the original item.</param>
148 /// <param name="oldItem">The original item that is replaced.</param>
149 /// <param name="index">The index of the item being replaced.</param>
150 public NotifyCollectionChangedEventArgs(
151 NotifyCollectionChangedAction action,
152 object newItem,
153 object oldItem,
154 int index)
155 : this(action, new[] { newItem }, new[] { oldItem }, index)
156 {
157 }
158
159 /// <summary>
160 /// Construct a NotifyCollectionChangedEventArgs that describes a multi-item Replace event.
161 /// </summary>
162 /// <param name="action">Can only be a Replace action.</param>
163 /// <param name="newItems">The new items replacing the original items.</param>
164 /// <param name="oldItems">The original items that are replaced.</param>
165 public NotifyCollectionChangedEventArgs(
166 NotifyCollectionChangedAction action,
167 IList newItems,
168 IList oldItems)
169 : this(action, newItems, oldItems, -1)
170 {
171 }
172
173 /// <summary>
174 /// Construct a NotifyCollectionChangedEventArgs that describes a multi-item Replace event.
175 /// </summary>
176 /// <param name="action">Can only be a Replace action.</param>
177 /// <param name="newItems">The new items replacing the original items.</param>
178 /// <param name="oldItems">The original items that are replaced.</param>
179 /// <param name="startingIndex">The starting index of the items being replaced.</param>
180 public NotifyCollectionChangedEventArgs(
181 NotifyCollectionChangedAction action,
182 IList newItems,
183 IList oldItems,
184 int startingIndex)
185 {
186 _action = action;
187
188 _newItems = newItems;
189 _newStartingIndex = startingIndex;
190 _oldItems = oldItems;
191 _oldStartingIndex = startingIndex;
192 }
193
194 /// <summary>
195 /// Construct a NotifyCollectionChangedEventArgs that describes a one-item Move event.
196 /// </summary>
197 /// <param name="action">Can only be a Move action.</param>
198 /// <param name="changedItem">The item affected by the change.</param>
199 /// <param name="index">The new index for the changed item.</param>
200 /// <param name="oldIndex">The old index for the changed item.</param>
201 public NotifyCollectionChangedEventArgs(
202 NotifyCollectionChangedAction action,
203 object changedItem,
204 int index,
205 int oldIndex)
206 : this(action, new[]{changedItem}, index, oldIndex)
207 {
208 }
209
210 /// <summary>
211 /// Construct a NotifyCollectionChangedEventArgs that describes a multi-item Move event.
212 /// </summary>
213 /// <param name="action">The action that caused the event.</param>
214 /// <param name="changedItems">The items affected by the change.</param>
215 /// <param name="index">The new index for the changed items.</param>
216 /// <param name="oldIndex">The old index for the changed items.</param>
217 public NotifyCollectionChangedEventArgs(
218 NotifyCollectionChangedAction action,
219 IList changedItems,
220 int index,
221 int oldIndex)
222 {
223 _action = action;
224
225 _newItems = changedItems;
226 _newStartingIndex = index;
227 _oldItems = changedItems;
228 _oldStartingIndex = oldIndex;
229 }
230
231 #endregion
232
233 #region Properties
234
235 private readonly NotifyCollectionChangedAction _action;
236 /// <summary>
237 /// The action that caused the event.
238 /// </summary>
239 public NotifyCollectionChangedAction Action
240 {
241 get { return _action; }
242 }
243
244 private readonly IList _newItems;
245 /// <summary>
246 /// The items affected by the change.
247 /// </summary>
248 public IList NewItems
249 {
250 get { return _newItems; }
251 }
252
253 private readonly IList _oldItems;
254 /// <summary>
255 /// The old items affected by the change (for Replace events).
256 /// </summary>
257 public IList OldItems
258 {
259 get { return _oldItems; }
260 }
261
262 private readonly int _newStartingIndex = -1;
263 /// <summary>
264 /// The index where the change occurred.
265 /// </summary>
266 public int NewStartingIndex
267 {
268 get { return _newStartingIndex; }
269 }
270
271 private readonly int _oldStartingIndex = -1;
272 /// <summary>
273 /// The old index where the change occurred (for Move events).
274 /// </summary>
275 public int OldStartingIndex
276 {
277 get { return _oldStartingIndex; }
278 }
279
280 #endregion
281 }
282
283 /// <summary>
284 /// The delegate to use for handlers that receive the CollectionChanged event.
285 /// </summary>
286 public delegate void NotifyCollectionChangedEventHandler(object sender, NotifyCollectionChangedEventArgs e);
287 }
288
289 namespace System.Runtime.CompilerServices
290 {
291 internal class ExtensionAttribute : Attribute {}
292 }
293
294 #endif