[C#/WPF] FrameworkElement 클래스 : MoveFocus 메소드를 사용해 포커스 이동하기

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="FrameworkElement 클래스 : MoveFocus 메소드를 사용해 포커스 이동하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Window.Resources>
        <Style TargetType="{x:Type TextBox}">
            <Setter Property="Margin"                   Value="10"     />
            <Setter Property="Padding"                  Value="5"      />
            <Setter Property="VerticalContentAlignment" Value="Center" />
        </Style>
        <Style TargetType="{x:Type Button}">
            <Setter Property="Margin"    Value="10"    />
            <Setter Property="Padding"   Value="5"     />
            <Setter Property="Focusable" Value="False" />
        </Style>
    </Window.Resources>
    <Grid Name="grid">
        <Grid
            HorizontalAlignment="Center"
            VerticalAlignment="Center">
            <Grid.RowDefinitions>
                <RowDefinition Height="Auto" />
                <RowDefinition Height="Auto" />
                <RowDefinition Height="20"   />
                <RowDefinition Height="Auto" />
            </Grid.RowDefinitions>
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
                <ColumnDefinition Width="Auto" />
            </Grid.ColumnDefinitions>
            <TextBox Name="textBox1" Grid.Row="0" Grid.Column="0" Text="텍스트 1" />
            <TextBox Name="textBox2" Grid.Row="0" Grid.Column="1" Text="텍스트 2" />
            <TextBox Name="textBox3" Grid.Row="0" Grid.Column="2" Text="텍스트 3" />
            <TextBox Name="textBox4" Grid.Row="1" Grid.Column="0" Text="텍스트 4" />
            <TextBox Name="textBox5" Grid.Row="1" Grid.Column="1" Text="텍스트 5" />
            <TextBox Name="textBox6" Grid.Row="1" Grid.Column="2" Text="텍스트 6" />
            <Button Name="previousButton" Grid.Row="3" Grid.Column="0" Content="이전" />
            <Button Name="nextButton"     Grid.Row="3" Grid.Column="2" Content="다음" />
        </Grid>
    </Grid>
</Window>

 

728x90

 

▶ MainWindow.xaml.cs

using System.Windows;
using System.Windows.Input;

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

        #region 생성자 - MainWindow()

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

            this.previousButton.Click += previousButton_Click;
            this.nextButton.Click     += nextButton_Click;

            this.textBox1.Focus();
        }

        #endregion

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

        #region 이전 버튼 클릭시 처리하기 - previousButton_Click(sender, e)

        /// <summary>
        /// 이전 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void previousButton_Click(object sender, RoutedEventArgs e)
        {
            IInputElement inputElement = FocusManager.GetFocusedElement(this);

            FrameworkElement frameworkElement = inputElement as FrameworkElement;

            frameworkElement.MoveFocus(new TraversalRequest(FocusNavigationDirection.Previous));
        }

        #endregion
        #region 다음 버튼 클릭시 처리하기 - nextButton_Click(sender, e)

        /// <summary>
        /// 다음 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void nextButton_Click(object sender, RoutedEventArgs e)
        {
            IInputElement inputElement = FocusManager.GetFocusedElement(this);

            FrameworkElement frameworkElement = inputElement as FrameworkElement;

            frameworkElement.MoveFocus(new TraversalRequest(FocusNavigationDirection.Next));
        }

        #endregion
    }
}