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71 lines
1.7 KiB
71 lines
1.7 KiB
/*************************************************************************************
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Toolkit for WPF
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Copyright (C) 2007-2020 Xceed Software Inc.
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This program is provided to you under the terms of the XCEED SOFTWARE, INC.
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COMMUNITY LICENSE AGREEMENT (for non-commercial use) as published at
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https://github.com/xceedsoftware/wpftoolkit/blob/master/license.md
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For more features, controls, and fast professional support,
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pick up the Plus Edition at https://xceed.com/xceed-toolkit-plus-for-wpf/
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Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
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***********************************************************************************/
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using System;
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using System.Windows;
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namespace Xceed.Wpf.Toolkit.Core
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{
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public class PropertyChangedEventArgs<T> : RoutedEventArgs
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{
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#region Constructors
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public PropertyChangedEventArgs( RoutedEvent Event, T oldValue, T newValue )
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: base()
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{
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_oldValue = oldValue;
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_newValue = newValue;
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this.RoutedEvent = Event;
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}
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#endregion
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#region NewValue Property
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public T NewValue
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{
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get
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{
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return _newValue;
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}
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}
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private readonly T _newValue;
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#endregion
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#region OldValue Property
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public T OldValue
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{
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get
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{
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return _oldValue;
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}
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}
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private readonly T _oldValue;
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#endregion
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protected override void InvokeEventHandler( Delegate genericHandler, object genericTarget )
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{
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PropertyChangedEventHandler<T> handler = ( PropertyChangedEventHandler<T> )genericHandler;
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handler( genericTarget, this );
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}
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}
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}
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