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// 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>
/// Specifies the type of action used to raise the <see cref="ScrollBar.Scroll"/> event.
/// </summary>
public enum ScrollEventType
{
/// <summary>
/// The scroll box was moved a small distance. The user clicked the left (horizontal) or top (vertical) scroll
/// arrow or pressed the UP ARROW key.
/// </summary>
SmallDecrement = SCROLLBAR_COMMAND.SB_LINELEFT,
/// <summary>
/// The scroll box was moved a small distance. The user clicked the right (horizontal) or bottom (vertical)
/// scroll arrow or pressed the DOWN ARROW key.
/// </summary>
SmallIncrement = SCROLLBAR_COMMAND.SB_LINERIGHT,
/// <summary>
/// The scroll box moved a large distance. The user clicked the scroll bar to the left (horizontal) or above
/// (vertical) the scroll box, or pressed the PAGE UP key.
/// </summary>
LargeDecrement = SCROLLBAR_COMMAND.SB_PAGELEFT,
/// <summary>
/// The scroll box moved a large distance. The user clicked the scroll bar to the right (horizontal) or below
/// (vertical) the scroll box, or pressed the PAGE DOWN key.
/// </summary>
LargeIncrement = SCROLLBAR_COMMAND.SB_PAGERIGHT,
/// <summary>
/// The scroll box was moved.
/// </summary>
ThumbPosition = SCROLLBAR_COMMAND.SB_THUMBPOSITION,
/// <summary>
/// The scroll box is currently being moved.
/// </summary>
ThumbTrack = SCROLLBAR_COMMAND.SB_THUMBTRACK,
/// <summary>
/// The scroll box was moved to the <see cref="ScrollBar.Minimum"/>
/// position.
/// </summary>
First = SCROLLBAR_COMMAND.SB_LEFT,
/// <summary>
/// The scroll box was moved to the <see cref="ScrollBar.Maximum"/>
/// position.
/// </summary>
Last = SCROLLBAR_COMMAND.SB_RIGHT,
/// <summary>
/// The scroll box has stopped moving.
/// </summary>
EndScroll = SCROLLBAR_COMMAND.SB_ENDSCROLL
}
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