Class VirtualizedScrollPanel<Item, Element>

Inheritance
System.Object
DisposableObject
RadObject
RadElement
VisualElement
RadComponentElement
RadItem
UIItemBase
LightVisualElement
ScrollViewElement<VirtualizedStackContainer<Item>>
VirtualizedScrollPanel<Item, Element>
BaseListViewElement
ChatMessagesViewElement
GanttViewBaseViewElement
PropertyGridTableElement
RadListElement
RadPdfViewerElement
RadTreeViewElement
Inherited Members
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.UI.dll

Syntax

public class VirtualizedScrollPanel<Item, Element> : ScrollViewElement<VirtualizedStackContainer<Item>>, INotifyPropertyChanged, ICustomTypeDescriptor, ISupportSystemSkin, IComponent, IDisposable, IBindableComponent, ISupportDrag, ISupportDrop, IShortcutProvider, IStylableElement, IStylableNode, IPrimitiveElement, IShapedElement, IFillElement, IBorderElement, IBoxStyle, IBoxElement, IDrawFillElement, IImageElement, ITextPrimitive, ITextProvider where Item : class where Element : IVirtualizedElement<Item>, new()
Type Parameters
Item

Element

Constructors

VirtualizedScrollPanel()

Declaration
public VirtualizedScrollPanel()

Properties

AutoSizeItems

Gets or sets a value indicating whether items auto sizing.

Declaration
public bool AutoSizeItems { get; set; }
Property Value
System.Boolean

true if [auto size items]; otherwise, false.

FitItemsToSize

Gets or sets a value indicating whether items fit to size.

Declaration
public virtual bool FitItemsToSize { get; set; }
Property Value
System.Boolean

true if [fit items to size]; otherwise, false.

Items

Gets or sets the items.

Declaration
public virtual IList<Item> Items { get; set; }
Property Value
System.Collections.Generic.IList<Item>

The items.

ItemSpacing

Gets or sets the item spacing.

Declaration
public virtual int ItemSpacing { get; set; }
Property Value
System.Int32

The item spacing.

Orientation

Gets or sets the items orientation.

Declaration
public virtual Orientation Orientation { get; set; }
Property Value
System.Windows.Forms.Orientation

The orientation.

Scroller

Gets the associated scroller.

Declaration
public ItemScroller<Item> Scroller { get; }
Property Value
ItemScroller<Item>

The scroller.

Methods

CreateChildElements()

Declaration
protected override void CreateChildElements()
Overrides
Telerik.WinControls.UI.ScrollViewElement<Telerik.WinControls.UI.VirtualizedStackContainer<Item>>.CreateChildElements()

CreateElementProvider()

This method creates an object that implements IVirtualizedElementProvider. Child elements are not yet created in this method.

Declaration
protected virtual IVirtualizedElementProvider<Item> CreateElementProvider()
Returns
IVirtualizedElementProvider<Item>

A new instance of an implementation of IVirtualizedElementProvider.

CreateItemScroller()

Creates an instance of ItemScroller. Child elements are not yet created in this method.

Declaration
protected virtual ItemScroller<Item> CreateItemScroller()
Returns
ItemScroller<Item>

CreateItemTraverser(IList<Item>)

Creates an instance of ITraverser which traverses the child elements.

Declaration
protected virtual ITraverser<Item> CreateItemTraverser(IList<Item> items)
Parameters
System.Collections.Generic.IList<Item> items

Returns
ITraverser<Item>

DisposeManagedResources()

Declaration
protected override void DisposeManagedResources()
Overrides

GetElement(Item)

Gets the Element with the specified item.

Declaration
public Element GetElement(Item item)
Parameters
Item item

Returns
Element

GetItemDesiredSize(Item)

Gets the desired size of the item.

Declaration
protected virtual SizeF GetItemDesiredSize(Item item)
Parameters
Item item

The item.
Returns
System.Drawing.SizeF

HScrollBar_ValueChanged(Object, EventArgs)

Declaration
protected virtual void HScrollBar_ValueChanged(object sender, EventArgs e)
Parameters
System.Object sender

System.EventArgs e

InitializeItemScroller(ItemScroller<Item>)

This method provides a chance to setup the ItemScroller.

Declaration
protected virtual void InitializeItemScroller(ItemScroller<Item> scroller)
Parameters
ItemScroller<Item> scroller

The item scroller on which properties will be set.

InitializeViewElement(VirtualizedStackContainer<Item>)

This method provides a chance to setup the the VirtualizedStackContainer.

Declaration
protected override void InitializeViewElement(VirtualizedStackContainer<Item> viewElement)
Parameters
VirtualizedStackContainer<Item> viewElement

The view element on which properties will be set.
Overrides
Telerik.WinControls.UI.ScrollViewElement<Telerik.WinControls.UI.VirtualizedStackContainer<Item>>.InitializeViewElement(Telerik.WinControls.UI.VirtualizedStackContainer<Item>)

MeasureItem(Item, SizeF)

Measures the item.

Declaration
public virtual SizeF MeasureItem(Item item, SizeF availableSize)
Parameters
Item item

The item.
System.Drawing.SizeF availableSize

Size of the available.
Returns
System.Drawing.SizeF

MeasureOverride(SizeF)

Declaration
protected override SizeF MeasureOverride(SizeF availableSize)
Parameters
System.Drawing.SizeF availableSize

Returns
System.Drawing.SizeF

Overrides
Telerik.WinControls.UI.ScrollViewElement<Telerik.WinControls.UI.VirtualizedStackContainer<Item>>.MeasureOverride(System.Drawing.SizeF)

OnAutoSizeChanged()

Called when auto size is changed.

Declaration
protected virtual void OnAutoSizeChanged()

scroller_ScrollerUpdated(Object, EventArgs)

Declaration
protected virtual void scroller_ScrollerUpdated(object sender, EventArgs e)
Parameters
System.Object sender

System.EventArgs e

UnwireEvents()

Performs events unsubscription from internal objects. The base implementation must always be called.

Declaration
protected virtual void UnwireEvents()

UpdateFitToSizeMode()

Updates the items fit to size mode.

Declaration
protected virtual void UpdateFitToSizeMode()

UpdateOnMeasure(SizeF)

Updates on measure.

Declaration
protected virtual bool UpdateOnMeasure(SizeF availableSize)
Parameters
System.Drawing.SizeF availableSize

Size of the available.
Returns
System.Boolean

WireEvents()

Performs events subscription to internal objects. The base implementation must always be called.

Declaration
protected virtual void WireEvents()

Extension Methods