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ScrollEventType Enumeration

Specifies the type of action used to raise the Scroll event.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)
[ComVisibleAttribute(true)]
public enum ScrollEventType
Member nameDescription
SmallDecrementThe scroll box was moved a small distance. The user clicked the left(horizontal) or top(vertical) scroll arrow, or pressed the UP ARROW key.
SmallIncrementThe scroll box was moved a small distance. The user clicked the right(horizontal) or bottom(vertical) scroll arrow, or pressed the DOWN ARROW key.
LargeDecrementThe 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.
LargeIncrementThe 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.
ThumbPositionThe scroll box was moved.
ThumbTrackThe scroll box is currently being moved.
FirstThe scroll box was moved to the Minimum position.
LastThe scroll box was moved to the Maximum position.
EndScrollThe scroll box has stopped moving.

This enumeration is used by ScrollEventArgs.Type.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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