■ TreeView 엘리먼트의 AllowDrop/CanDragItems 속성을 사용해 드래그 & 드롭을 지원하는 방법을 보여준다.
▶ MainPage.xaml
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<Page x:Class="TestProject.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:muxc="using:Microsoft.UI.Xaml.Controls" Background="{ThemeResource ApplicationPageBackgroundThemeBrush}" FontFamily="나눔고딕코딩" FontSize="16"> <Grid> <Border HorizontalAlignment="Center" VerticalAlignment="Center" BorderThickness="1" BorderBrush="{ThemeResource TextControlBorderBrush}"> <muxc:TreeView Name="treeView" Width="400" Height="400" AllowDrop="True" CanDragItems="True" ItemInvoked="treeView_ItemInvoked" /> </Border> </Grid> </Page> |
▶ MainPage.xaml.cs
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using Windows.Foundation; using Windows.Graphics.Display; using Windows.UI.ViewManagement; using Windows.UI.Xaml; using Windows.UI.Xaml.Controls; using muxc = Microsoft.UI.Xaml.Controls; namespace TestProject { /// <summary> /// 메인 페이지 /// </summary> public sealed partial class MainPage : Page { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainPage() /// <summary> /// 생성자 /// </summary> public MainPage() { InitializeComponent(); #region 윈도우 크기를 설정한다. double width = 800d; double height = 600d; double dpi = (double)DisplayInformation.GetForCurrentView().LogicalDpi; ApplicationView.PreferredLaunchWindowingMode = ApplicationViewWindowingMode.PreferredLaunchViewSize; Size windowSize = new Size(width * 96d / dpi, height * 96d / dpi); ApplicationView.PreferredLaunchViewSize = windowSize; Window.Current.Activate(); ApplicationView.GetForCurrentView().TryResizeView(windowSize); #endregion #region 윈도우 제목을 설정한다. ApplicationView.GetForCurrentView().Title = "TreeView 엘리먼트 : AllowDrop/CanDragItems 속성을 사용해 드래그 & 드롭 지원하기"; #endregion muxc.TreeViewNode workFolder = new muxc.TreeViewNode() { Content = "Work Documents" }; workFolder.IsExpanded = true; workFolder.Children.Add(new muxc.TreeViewNode() { Content = "XYZ Functional Spec" }); workFolder.Children.Add(new muxc.TreeViewNode() { Content = "Feature Schedule" }); workFolder.Children.Add(new muxc.TreeViewNode() { Content = "Overall Project Plan" }); workFolder.Children.Add(new muxc.TreeViewNode() { Content = "Feature Resources Allocation" }); muxc.TreeViewNode remodelFolder = new muxc.TreeViewNode() { Content = "Home Remodel" }; remodelFolder.IsExpanded = true; remodelFolder.Children.Add(new muxc.TreeViewNode() { Content = "Contractor Contact Info" }); remodelFolder.Children.Add(new muxc.TreeViewNode() { Content = "Paint Color Scheme" }); remodelFolder.Children.Add(new muxc.TreeViewNode() { Content = "Flooring woodgrain type" }); remodelFolder.Children.Add(new muxc.TreeViewNode() { Content = "Kitchen cabinet style" }); muxc.TreeViewNode personalFolder = new muxc.TreeViewNode() { Content = "Personal Documents" }; personalFolder.IsExpanded = true; personalFolder.Children.Add(remodelFolder); this.treeView.RootNodes.Add(workFolder); this.treeView.RootNodes.Add(personalFolder); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 트리 뷰 항목 호출시 처리하기 - treeView_ItemInvoked(sender, e) /// <summary> /// 트리 뷰 항목 호출시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void treeView_ItemInvoked(muxc.TreeView sender, muxc.TreeViewItemInvokedEventArgs e) { return; } #endregion } } |
