ICODEBROKER

■ Visual 클래스 : 타입으로 자손 찾기

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using System;

using System.Windows;

using System.Windows.Media;

#region 타입으로 자손 찾기 - FindDescendantByType(source, descendantType, specificTypeOnly)

/// <summary>

/// 타입으로 자손 찾기

/// </summary>

/// <param name="source">소스 객체</param>

/// <param name="descendantType">자손 타입</param>

/// <param name="specificTypeOnly">특정 타입만 찾기 여부</param>

/// <returns>자손 객체</returns>

public Visual FindDescendantByType(Visual source, Type descendantType, bool specificTypeOnly)

{

    if(source == null)

    {

        return null;

    }

    if(specificTypeOnly ? (source.GetType() == descendantType) : (source.GetType() == descendantType) || (source.GetType().IsSubclassOf(descendantType)))

    {

        return source;

    }

    Visual target = null;

    if(source is FrameworkElement)

    {

        (source as FrameworkElement).ApplyTemplate();

    }

    for(int i = 0; i < VisualTreeHelper.GetChildrenCount(source); i++)

    {

        Visual visual = VisualTreeHelper.GetChild(source, i) as Visual;

        target = FindDescendantByType(visual, descendantType, specificTypeOnly);

        if(target != null)

        {

            break;

        }

    }

    return target;

}

        #endregion

#region 타입으로 자손 찾기 - FindDescendantByType(source, descendantType)

/// <summary>

/// 타입으로 자손 찾기

/// </summary>

/// <param name="source">소스 객체</param>

/// <param name="descendantType">자손 타입</param>

/// <returns>자손 객체</returns>

public Visual FindDescendantByType(Visual source, Type descendantType)

{

    return FindDescendantByType(source, descendantType, true);

}

#endregion

#region 타입으로 자손 찾기 - FindDescendantByType<TDescendant>(source)

/// <summary>

/// 타입으로 자손 찾기

/// </summary>

/// <typeparam name="TDescendant">자손 타입</typeparam>

/// <param name="source">소스 객체</param>

/// <returns>자손 객체</returns>

public TDescendant FindDescendantByType<TDescendant>(Visual source) where TDescendant : Visual

{

    Visual target = VisualHelper.FindDescendantByType(source, typeof(TDescendant));

    return (TDescendant)target;

}

#endregion

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