■ DataGrid 클래스에서 ScrollViewer 객체 참조를 구하는 방법을 보여준다.
▶ MainWindow.xaml
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<Window x:Class="TestProject.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Width="800" Height="600" Title="DataGrid 클래스 : ScrollViewer 객체 참조 구하기" FontFamily="나눔고딕코딩" FontSize="16"> <Grid> <Grid Margin="10"> <Grid.RowDefinitions> <RowDefinition Height="*" /> <RowDefinition Height="10" /> <RowDefinition Height="Auto" /> <RowDefinition Height="10" /> </Grid.RowDefinitions> <DataGrid Name="dataGrid" Grid.Row="0" AutoGenerateColumns="False" IsReadOnly="True"> <DataGrid.Columns> <DataGridTextColumn Header="Company Name" Binding="{Binding CompanyName}" /> <DataGridTextColumn Header="Contact First Name" Binding="{Binding FirstName}" /> <DataGridTextColumn Header="Contact Last Name" Binding="{Binding LastName}" /> </DataGrid.Columns> </DataGrid> <Button Name="button" Grid.Row="2" Width="100" Height="30" Content="테스트" /> </Grid> </Grid> </Window> |
▶ MainWindow.xaml.cs
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using System.Collections.Generic; using System.Windows; using System.Windows.Controls; using System.Windows.Media; namespace TestProject { /// <summary> /// 메인 윈도우 /// </summary> public partial class MainWindow : Window { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainWindow() /// <summary> /// 생성자 /// </summary> public MainWindow() { InitializeComponent(); List<Employee> list = new List<Employee>(); for(int i = 1; i <= 100; i++) { list.Add ( new Employee { CompanyName = "compnay " + i.ToString(), FirstName = "first name " + i.ToString(), LastName = "last name " + i.ToString() } ); } this.dataGrid.ItemsSource = list; this.button.Click += button_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 테스트 버튼 클릭시 처리하기 - button_Click(sender, e) /// <summary> /// 테스트 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void button_Click(object sender, RoutedEventArgs e) { ScrollViewer scrollViewer = FindTemplateElement<ScrollViewer>(this.dataGrid); if(scrollViewer != null) { scrollViewer.Margin = new Thickness(10); } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 템플리트 엘리먼트 찾기 - FindTemplateElement<T>(source) /// <summary> /// 템플리트 엘리먼트 찾기 /// </summary> /// <typeparam name="TElement">엘리먼트 타입</typeparam> /// <param name="source">소스 의존 객체</param> /// <returns>템플리트 엘리먼트</returns> private TElement FindTemplateElement<TElement>(DependencyObject source) where TElement : class { if(source is TElement) { return source as TElement; } for(int i = 0; i < VisualTreeHelper.GetChildrenCount(source); i++) { Visual target = FindTemplateElement<TElement>(VisualTreeHelper.GetChild(source, i)) as Visual; if(target != null) { return target as TElement; } } return null; } #endregion } } |
