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                ? ??????privateTreeViewItemFindTreeViewItem(ItemsControlcontainer,objectitem) ?????? { ??????????if(null==container||null==item) ?????????? { ??????????????returnnull; ?????????? } ??????????if(container.DataContext==item) ?????????? { ??????????????returncontainerasTreeViewItem; ?????????? } ??????????intcount=container.Items.Count; ??????????for(inti= 0;i<count;i++) ?????????? { ??????????????TreeViewItemsubContainer= (TreeViewItem)container.ItemContainerGenerator.ContainerFromIndex(i); ??????????????if(null==subContainer) ?????????????? { ??????????????????continue; ?????????????? } ??????????????// Search the next level for the object. ??????????????TreeViewItemresultContainer=FindTreeViewItem(subContainer,item); ??????????????if(null!=resultContainer) ?????????????? { ??????????????????returnresultContainer; ?????????????? } ?????????? } ??????????returnnull; ?????? } [/////使用上述方法遍歷]()?, 然后設置IsSelected屬性 ?privatestaticvoidSelectedItemChanged(DependencyObjectd,DependencyPropertyChangedEventArgse) ?????? { ??????????// ??????????SelectedProtocolControlspc=dasSelectedProtocolControl; ??????????if(null!=spc) ?????????? { ??????????????if(e.NewValue!=spc.trvSelectedProtocol.SelectedItem) ?????????????? { ??????????????????//TreeViewItem tviNew = spc.trvSelectedProtocol.ItemContainerGenerator.ContainerFromItem(e.NewValue) as TreeViewItem; ??????????????????TreeViewItemtviNew=spc.FindTreeViewItem(spc.trvSelectedProtocol,e.NewValue); ??????????????????if(null!=tviNew) ?????????????????? { ??????????????????????tviNew.IsSelected=true; ?????????????????? } ?????????????? } ??????????????if(null!=e.OldValue) ?????????????? { ??????????????????//TreeViewItem tviOld = spc.trvSelectedProtocol.ItemContainerGenerator.ContainerFromItem(e.OldValue) as TreeViewItem; ??????????????????TreeViewItemtviOld=spc.FindTreeViewItem(spc.trvSelectedProtocol,e.OldValue); ??????????????????if(null!=tviOld) ?????????????????? { ??????????????????????tviOld.IsSelected=false; ?????????????????? } ?????????????? } ?????????? } ??????????System.Diagnostics.Debug.WriteLine("SelectedItemChanged..."); ?????? }
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