Class VirtualGridItemScroller

Represents an item scroller in RadVirtualGrid.

Inheritance
System.Object
ItemScroller<System.Int32>
VirtualGridItemScroller
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Telerik.WinControls.UI
Assembly: Telerik.WinControls.GridView.dll

Syntax

public class VirtualGridItemScroller : ItemScroller<int>, IEnumerable, IDisposable

Constructors

VirtualGridItemScroller(VirtualGridTableViewState)

Initializes a new instance of the VirtualGridItemScroller class.

Declaration
public VirtualGridItemScroller(VirtualGridTableViewState viewState)
Parameters
VirtualGridTableViewState viewState

State of the view.

Methods

GetItemOffset(Int32)

Gets the item offset.

Declaration
public int GetItemOffset(int item)
Parameters
System.Int32 item

The item.
Returns
System.Int32

GetScrollHeight(Int32)

Gets the height of the scroll.

Declaration
public override int GetScrollHeight(int item)
Parameters
System.Int32 item

The item.
Returns
System.Int32

Overrides
Telerik.WinControls.UI.ItemScroller<System.Int32>.GetScrollHeight(System.Int32)

ScrollDown(Int32)

Scrolls down with the specified step.

Declaration
protected override bool ScrollDown(int step)
Parameters
System.Int32 step

The step.
Returns
System.Boolean

Overrides
Telerik.WinControls.UI.ItemScroller<System.Int32>.ScrollDown(System.Int32)

ScrollToItem(Int32, Boolean)

Scrolls to item.

Declaration
public override bool ScrollToItem(int item, bool checkScrollVisibility)
Parameters
System.Int32 item

The item.
System.Boolean checkScrollVisibility

if set to true scroll visibility is checked before processing scrolling.
Returns
System.Boolean

Overrides
Telerik.WinControls.UI.ItemScroller<System.Int32>.ScrollToItem(System.Int32, System.Boolean)

ScrollUp(Int32)

Scrolls up.

Declaration
protected override bool ScrollUp(int step)
Parameters
System.Int32 step

The step.
Returns
System.Boolean

Overrides
Telerik.WinControls.UI.ItemScroller<System.Int32>.ScrollUp(System.Int32)

UpdateScrollRange()

Updates the scroll range.

Declaration
public override void UpdateScrollRange()
Overrides
Telerik.WinControls.UI.ItemScroller<System.Int32>.UpdateScrollRange()

UpdateScrollRange(Int32, Boolean)

Updates the scroll range with concrete range.

Declaration
public override void UpdateScrollRange(int width, bool updateScrollValue)
Parameters
System.Int32 width

The width.
System.Boolean updateScrollValue

if set to true [update scroll value].
Overrides
Telerik.WinControls.UI.ItemScroller<System.Int32>.UpdateScrollRange(System.Int32, System.Boolean)

Extension Methods