// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
namespace System.Windows.Forms;
 
/// <summary>
///  This enum is used to specify the action that caused a TreeViewEventArgs.
/// </summary>
public enum TreeViewAction
{
    /// <summary>
    ///  The action is unknown.
    /// </summary>
    Unknown = 0,
 
    /// <summary>
    ///  The event was caused by a keystroke.
    /// </summary>
    ByKeyboard = 1,
 
    /// <summary>
    ///  The event was caused by a mouse click.
    /// </summary>
    ByMouse = 2,
 
    /// <summary>
    ///  The tree node is collapsing.
    /// </summary>
    Collapse = 3,
 
    /// <summary>
    ///  The tree node is expanding.
    /// </summary>
    Expand = 4,
}