Class VerticalScrollBar

Represents a class that is used to draw the vertical scrollbar of the scroll control.

Inheritance
System.Object
ScrollBarBase
VerticalScrollBar
Inherited Members
Namespace: Syncfusion.WinForms.Controls
Assembly: Syncfusion.Core.WinForms.dll
Syntax
public class VerticalScrollBar : ScrollBarBase

Constructors

VerticalScrollBar()

Initializes a new instance of the VerticalScrollBar class.

Declaration
public VerticalScrollBar()

VerticalScrollBar(ScrollBarStyleInfo)

Initializes a new instance of the VerticalScrollBar class.

Declaration
public VerticalScrollBar(ScrollBarStyleInfo style)
Parameters
Type Name Description
ScrollBarStyleInfo style

The ScrollBarStyleInfo for the vertical scrollbar.

Properties

DefaultSize

Gets the default size of the vertical scrollbar.

Declaration
protected override Size DefaultSize { get; }
Property Value
Type
System.Drawing.Size

Methods

CalculateThumbDelta(Int32, Int32)

Calculates the delta value in vertical co-ordinates.

Declaration
protected override void CalculateThumbDelta(int x, int y)
Parameters
Type Name Description
System.Int32 x

The X position of the cursor.
System.Int32 y

The y position of the cursor.
Overrides

GetStyle()

Gets the style of the ScrollBarStyleInfo

Declaration
protected override ScrollBarStyleInfo GetStyle()
Returns
Type Description
ScrollBarStyleInfo

Returns the ScrollControl' vertical scrollbar style.
Overrides

InvalidateArrowRegion()

Invalidates the Arrow location.

Declaration
protected override void InvalidateArrowRegion()
Overrides

InvalidateThumbRegion()

Invalidates the scrollbar thumb location.

Declaration
protected override void InvalidateThumbRegion()
Overrides

OnPageDownRightClick(Object, EventArgs)

Occurs while clicking the ScrollDown option from the context menu.

Declaration
protected override void OnPageDownRightClick(object sender, EventArgs e)
Parameters
Type Name Description
System.Object sender

The sender of the event.
System.EventArgs e

An System.EventArgs that contains event data.
Overrides

OnPageUpLeftClick(Object, EventArgs)

Occurs while clicking the PageUp option from the context menu.

Declaration
protected override void OnPageUpLeftClick(object sender, EventArgs e)
Parameters
Type Name Description
System.Object sender

The sender of the event.
System.EventArgs e

An System.EventArgs that contains event data.
Overrides

OnScrollHereClick(Object, EventArgs)

Occurs while clicking the ScrollHere option from the context menu.

Declaration
protected override void OnScrollHereClick(object sender, EventArgs e)
Parameters
Type Name Description
System.Object sender

The sender of the object.
System.EventArgs e

An System.EventArgs that contains event data.
Overrides

OnThumbPositionChanged(Int32, Int32)

Calculates the thumb position on moving the cursor over the scrollbar.

Declaration
protected override void OnThumbPositionChanged(int x, int y)
Parameters
Type Name Description
System.Int32 x

The X co-ordinate of the cursor.
System.Int32 y

The Y co-ordinate of the cursor.
Overrides

PointToValue(Int32, Int32)

Gets the value of the vertical scrollbar at the given cursor position.

Declaration
protected override int PointToValue(int x, int y)
Parameters
Type Name Description
System.Int32 x

The x co-ordinate of the cursor.
System.Int32 y

The y co-ordinate of the cursor.
Returns
Type Description
System.Int32

Returns the value of the given co-ordinates.
Overrides