55 lines
1.8 KiB
C#
55 lines
1.8 KiB
C#
#region Apache License 2.0
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/*
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Nuclex .NET Framework
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Copyright (C) 2002-2024 Markus Ewald / Nuclex Development Labs
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#endregion // Apache License 2.0
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using System;
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namespace Nuclex.Support.Collections {
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/// <summary>
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/// Argument container used by collections to notify about replaced items
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/// </summary>
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public class ItemReplaceEventArgs<TItem> : EventArgs {
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/// <summary>Initializes a new event arguments supplier</summary>
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/// <param name="oldItem">Item that has been replaced by another item</param>
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/// <param name="newItem">Replacement item that is now part of the collection</param>
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public ItemReplaceEventArgs(TItem oldItem, TItem newItem) {
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this.oldItem = oldItem;
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this.newItem = newItem;
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}
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/// <summary>Item that has been replaced by another item</summary>
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public TItem OldItem {
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get { return this.oldItem; }
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}
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/// <summary>Replacement item that is now part of the collection</summary>
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public TItem NewItem {
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get { return this.newItem; }
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}
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/// <summary>Item that was removed from the collection</summary>
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private TItem oldItem;
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/// <summary>Item that was added to the collection</summary>
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private TItem newItem;
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}
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} // namespace Nuclex.Support.Collections
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