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45 lines
1.6 KiB
45 lines
1.6 KiB
/************************************************************************
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Extended WPF Toolkit
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Copyright (C) 2010-2012 Xceed Software Inc.
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This program is provided to you under the terms of the Microsoft Reciprocal
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License (Ms-RL) as published at http://wpftoolkit.codeplex.com/license
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This program can be provided to you by Xceed Software Inc. under a
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proprietary commercial license agreement for use in non-Open Source
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projects. The commercial version of Extended WPF Toolkit also includes
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priority technical support, commercial updates, and many additional
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useful WPF controls if you license Xceed Business Suite for WPF.
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Visit http://xceed.com and follow @datagrid on Twitter.
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**********************************************************************/
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using System;
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using System.Windows;
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using System.Windows.Controls;
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using Microsoft.Practices.Prism.Commands;
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namespace Samples.Infrastructure.Commands
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{
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public class TreeViewCommandBehavior : CommandBehaviorBase<TreeView>
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{
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public TreeViewCommandBehavior( TreeView treeView )
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: base( treeView )
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{
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treeView.SelectedItemChanged += SelectedItemChanged;
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}
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void SelectedItemChanged( object sender, RoutedPropertyChangedEventArgs<object> e )
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{
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//This treeview command is specfic to the navigation region,
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//so I always want to pass the tag of the selected treeviewitem
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//because it will conatin the Type of view to navigate to.
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var type = ( e.NewValue as FrameworkElement ).Tag as Type;
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CommandParameter = type != null ? type.FullName : null;
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ExecuteCommand();
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}
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}
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}
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