[C#/WPF] BindingOperations 클래스 : ClearBinding/SetBinding 정적 메소드를 사용해 바인딩하기

■ BindingOperations 클래스의 ClearBinding/SetBinding 정적 메소드를 사용해 바인딩을 하는 방법을 보여준다.

TestProject.zip

다운로드

▶ MainWindow.xaml

<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="BindingOperations 클래스 : ClearBinding/SetBinding 정적 메소드를 사용해 바인딩하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid>
        <StackPanel
            HorizontalAlignment="Center"
            VerticalAlignment="Center">
            <Button Name="clearButton"
                Margin="10"
                Width="150"
                Height="30"
                Content="바인딩 지우기" />
            <Button Name="refreshButton"
                Margin="10"
                Width="150"
                Height="30"
                Content="바인딩 갱신하기" />
            <TextBlock Name="textBlock"
                Margin="10"
                HorizontalAlignment="Center"
                Text="바인딩 전" />
            <Button Name="bindButton"
                Margin="10"
                Width="150"
                Height="30"
                Content="바인딩하기" />
        </StackPanel>
    </Grid>
</Window>

 

▶ MainWindow.xaml.cs

using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;

namespace TestProject
{
    /// <summary>
    /// 메인 윈도우
    /// </summary>
    public partial class MainWindow : Window
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainWindow()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainWindow()
        {
            InitializeComponent();

            this.clearButton.Click   += clearButton_Click;
            this.refreshButton.Click += refreshButton_Click;
            this.bindButton.Click    += bindButton_Click;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 바인딩 지우기 버튼 클릭시 처리하기 - clearButton_Click(sender, e)

        /// <summary>
        /// 바인딩 지우기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void clearButton_Click(object sender, RoutedEventArgs e)
        {
            BindingOperations.ClearBinding(this.textBlock, TextBlock.TextProperty);
        }

        #endregion
        #region 바인딩 갱신하기 버튼 클릭시 처리하기 - refreshButton_Click(sender, e)

        /// <summary>
        /// 바인딩 갱신하기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void refreshButton_Click(object sender, RoutedEventArgs e)
        {
            BindingOperations.ClearBinding(this.textBlock, TextBlock.TextProperty);

            Binding binding = new Binding("Text");

            binding.Source = new TestData(DateTime.Now);

            BindingOperations.SetBinding(this.textBlock, TextBlock.TextProperty, binding);
        }

        #endregion
        #region 바인딩하기 버튼 클릭시 처리하기 - bindButton_Click(sender, e)

        /// <summary>
        /// 바인딩하기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void bindButton_Click(object sender, RoutedEventArgs e)
        {
            BindingOperations.ClearBinding(this.textBlock, TextBlock.TextProperty);

            Binding binding = new Binding("Text");

            binding.Source = new TestData(DateTime.Now);

            BindingOperations.SetBinding(this.textBlock, TextBlock.TextProperty, binding);
        }

        #endregion
    }
}