File: System\Windows\Forms\Layout\Containers\ValidationConstraints.cs
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Project: src\src\System.Windows.Forms\src\System.Windows.Forms.csproj (System.Windows.Forms)
// 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>
///  Determines which child controls in a ContainerControl will be validated
///  by the <see cref="ContainerControl.ValidateChildren(ValidationConstraints)"/> method.
/// </summary>
[Flags]
public enum ValidationConstraints
{
    /// <summary>
    ///  All child controls and their descendants are validated.
    /// </summary>
    None = 0x00,
 
    /// <summary>
    ///  Child control must be selectable to be validated.
    ///
    ///  Note: This flag allows validation of a control that has the
    ///  ControlStyles.Selectable style, ie. has the ability to be selected,
    ///  even when that control is currently unselectable because it has been
    ///  disabled or hidden. To prevent validation of selectable controls that
    ///  are currently disabled or hidden,
    /// </summary>
    Selectable = 0x01,
 
    /// <summary>
    ///  Child control must be enabled to be validated (Control.Enabled = true).
    /// </summary>
    Enabled = 0x02,
 
    /// <summary>
    ///  Child control must be visible to be validated (Control.Visible = true).
    /// </summary>
    Visible = 0x04,
 
    /// <summary>
    ///  Child control must be a tab stops to be validated (Control.TabStop = true).
    /// </summary>
    TabStop = 0x08,
 
    /// <summary>
    ///  Only immediate children of container control are validated.
    ///  Descendants are not validated.
    /// </summary>
    ImmediateChildren = 0x10,
}