[C#/WPF] Behavior 클래스 : 마우스 휠 비활성화하기

■ Behavior<T> 클래스를 사용해 마우스 휠을 비활성화하는 방법을 보여준다.

▶ IgnoreMouseWheelBehavior.cs


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

using Microsoft.Xaml.Behaviors;

namespace TestProject
{
    /// <summary>
    /// 마우스 휠 무사 동작
    /// </summary>
    public sealed class IgnoreMouseWheelBehavior : Behavior<UIElement>
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Protected

        #region 부착시 처리하기 - OnAttached()

        /// <summary>
        /// 부착시 처리하기
        /// </summary>
        protected override void OnAttached()
        {
            base.OnAttached();

            AssociatedObject.PreviewMouseWheel += AssociatedObject_PreviewMouseWheel;
        }

        #endregion
        #region 탈착시 처리하기 - OnDetaching()

        /// <summary>
        /// 탈착시 처리하기
        /// </summary>
        protected override void OnDetaching()
        {
            AssociatedObject.PreviewMouseWheel -= AssociatedObject_PreviewMouseWheel;

            base.OnDetaching();
        }

        #endregion

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

        #region 연관 객체 프리뷰 마우스 휠 처리하기 - AssociatedObject_PreviewMouseWheel(sender, e)

        /// <summary>
        /// 연관 객체 프리뷰 마우스 휠 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void AssociatedObject_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
        {
            e.Handled = true;

            MouseWheelEventArgs mouseWheelEventArgs = new MouseWheelEventArgs(e.MouseDevice, e.Timestamp, e.Delta);

            mouseWheelEventArgs.RoutedEvent = UIElement.MouseWheelEvent;

            AssociatedObject.RaiseEvent(mouseWheelEventArgs);
        }

        #endregion
    }
}

using System.Windows.Input;

using System.Windows;

using Microsoft.Xaml.Behaviors;

namespace TestProject

{

/// <summary>

/// 마우스 휠 무사 동작

/// </summary>

public sealed class IgnoreMouseWheelBehavior : Behavior<UIElement>

{

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

////////////////////////////////////////////////////////////////////////////////////////// Protected

#region 부착시 처리하기 - OnAttached()

/// <summary>

/// 부착시 처리하기

/// </summary>

protected override void OnAttached()

{

base.OnAttached();

AssociatedObject.PreviewMouseWheel += AssociatedObject_PreviewMouseWheel;

}

#endregion

#region 탈착시 처리하기 - OnDetaching()

/// <summary>

/// 탈착시 처리하기

/// </summary>

protected override void OnDetaching()

{

AssociatedObject.PreviewMouseWheel -= AssociatedObject_PreviewMouseWheel;

base.OnDetaching();

}

#endregion

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

#region 연관 객체 프리뷰 마우스 휠 처리하기 - AssociatedObject_PreviewMouseWheel(sender, e)

/// <summary>

/// 연관 객체 프리뷰 마우스 휠 처리하기

/// </summary>

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

/// <param name="e">이벤트 인자</param>

private void AssociatedObject_PreviewMouseWheel(object sender, MouseWheelEventArgs e)

{

e.Handled = true;

MouseWheelEventArgs mouseWheelEventArgs = new MouseWheelEventArgs(e.MouseDevice, e.Timestamp, e.Delta);

mouseWheelEventArgs.RoutedEvent = UIElement.MouseWheelEvent;

AssociatedObject.RaiseEvent(mouseWheelEventArgs);

}

#endregion

}

▶ 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"
    xmlns:i="http://schemas.microsoft.com/xaml/behaviors"
    xmlns:local="clr-namespace:TestProject"
    Width="800"
    Height="600"
    Title="TestProject"
    FontFamily="나눔고딕코딩"
    FontSize="16">
    <ListBox
        Width="200"
        Height="200">
        <ListBoxItem>항목 01</ListBoxItem>
        <ListBoxItem>항목 02</ListBoxItem>
        <ListBoxItem>항목 03</ListBoxItem>
        <ListBoxItem>항목 04</ListBoxItem>
        <ListBoxItem>항목 05</ListBoxItem>
        <ListBoxItem>항목 06</ListBoxItem>
        <ListBoxItem>항목 07</ListBoxItem>
        <ListBoxItem>항목 08</ListBoxItem>
        <ListBoxItem>항목 09</ListBoxItem>
        <ListBoxItem>항목 10</ListBoxItem>
        <ListBoxItem>항목 11</ListBoxItem>
        <ListBoxItem>항목 12</ListBoxItem>
        <ListBoxItem>항목 13</ListBoxItem>
        <ListBoxItem>항목 14</ListBoxItem>
        <ListBoxItem>항목 15</ListBoxItem>
        <ListBoxItem>항목 16</ListBoxItem>
        <ListBoxItem>항목 17</ListBoxItem>
        <ListBoxItem>항목 18</ListBoxItem>
        <ListBoxItem>항목 19</ListBoxItem>
        <ListBoxItem>항목 20</ListBoxItem>
        <i:Interaction.Behaviors>
            <local:IgnoreMouseWheelBehavior />
        </i:Interaction.Behaviors>
    </ListBox>
</Window>

<Window x:Class="TestProject.MainWindow"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:i="http://schemas.microsoft.com/xaml/behaviors"

xmlns:local="clr-namespace:TestProject"

Width="800"

Height="600"

Title="TestProject"

FontFamily="나눔고딕코딩"

FontSize="16">

<ListBox

Width="200"

Height="200">

<i:Interaction.Behaviors>

<local:IgnoreMouseWheelBehavior />

</i:Interaction.Behaviors>

</ListBox>

</Window>

TestProject.zip