[C#/WPF] ListBox 엘리먼트 : 항목 추가시 애니메이션 사용하기

■ ListBox 엘리먼트에서 항목 추가시 애니메이션을 사용하는 방법을 보여준다.

▶ 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="ListBox 엘리먼트 : 항목 추가시 애니메이션 사용하기"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <Grid>
        <ListBox Name="listBox"
            HorizontalAlignment="Center"
            VerticalAlignment="Center"
            Width="300"
            Height="400"
            BorderThickness="1"
            BorderBrush="Black">
            <ListBox.ItemContainerStyle>
                <Style TargetType="{x:Type ListBoxItem}">
                    <Setter Property="RenderTransform">
                        <Setter.Value>
                            <ScaleTransform />
                        </Setter.Value>
                    </Setter>
                    <Style.Triggers>
                        <EventTrigger RoutedEvent="Loaded">
                            <EventTrigger.Actions>
                                <BeginStoryboard>
                                    <Storyboard>
                                        <DoubleAnimation
                                            Storyboard.TargetProperty="Opacity"
                                            Duration="00:00:02"
                                            From="0"
                                            To="1" />
                                        <DoubleAnimation
                                            Storyboard.TargetProperty="RenderTransform.ScaleY"
                                            Duration="00:00:00.2"
                                            From="0" />
                                    </Storyboard>
                                </BeginStoryboard>
                            </EventTrigger.Actions>
                        </EventTrigger>
                    </Style.Triggers>
                </Style>
            </ListBox.ItemContainerStyle>
        </ListBox>
        <Button Name="addButton"
            HorizontalAlignment="Right"
            VerticalAlignment="Bottom"
            Margin="10"
            Width="100"
            Height="30"
            Content="Add" />
    </Grid>
</Window>

<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="ListBox 엘리먼트 : 항목 추가시 애니메이션 사용하기"

FontFamily="나눔고딕코딩"

FontSize="16">

<Grid>

<ListBox Name="listBox"

HorizontalAlignment="Center"

VerticalAlignment="Center"

Width="300"

Height="400"

BorderThickness="1"

BorderBrush="Black">

<ListBox.ItemContainerStyle>

<Setter.Value>

</Setter.Value>

</Setter>

<Style.Triggers>

<EventTrigger.Actions>

<DoubleAnimation

Storyboard.TargetProperty="Opacity"

Duration="00:00:02"

From="0"

To="1" />

<DoubleAnimation

Storyboard.TargetProperty="RenderTransform.ScaleY"

Duration="00:00:00.2"

From="0" />

</Storyboard>

</BeginStoryboard>

</EventTrigger.Actions>

</EventTrigger>

</Style.Triggers>

</Style>

</ListBox.ItemContainerStyle>

</ListBox>

<Button Name="addButton"

HorizontalAlignment="Right"

VerticalAlignment="Bottom"

Margin="10"

Width="100"

Height="30"

Content="Add" />

</Grid>

</Window>

▶ MainWindow.xaml.cs


using System;
using System.Windows;

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

        #region 생성자 - MainWindow()

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

            this.addButton.Click += addButton_Click;
        }

        #endregion

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

        #region Add 버튼 클릭시 처리하기 - addButton_Click(sender, e)

        /// <summary>
        /// Add 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void addButton_Click(object sender, RoutedEventArgs e)
        {
            this.listBox.Items.Add(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
        }

        #endregion
    }
}

using System;

using System.Windows;

namespace TestProject

{

/// <summary>

/// 메인 윈도우

/// </summary>

public partial class MainWindow : Window

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainWindow()

/// <summary>

/// 생성자

/// </summary>

public MainWindow()

{

InitializeComponent();

this.addButton.Click += addButton_Click;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region Add 버튼 클릭시 처리하기 - addButton_Click(sender, e)

/// <summary>

/// Add 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void addButton_Click(object sender, RoutedEventArgs e)

{

this.listBox.Items.Add(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));

}

#endregion

}

TestProject.zip