Class BaseVirtualizedContainer<T>

Inheritance
System.Object
DisposableObject
RadObject
RadElement
LayoutPanel
BaseVirtualizedContainer<T>
PivotHeaderVirtualizedContainer
PivotVirtualizedStackContainer
VirtualizedStackContainer<T>
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 abstract class BaseVirtualizedContainer<T> : LayoutPanel, IDisposable, INotifyPropertyChanged, ICustomTypeDescriptor, ISupportSystemSkin, IStylableNode
Type Parameters
T

Type of the ViewElement

Constructors

BaseVirtualizedContainer()

Declaration
protected BaseVirtualizedContainer()

Properties

DataProvider

Gets or sets the associated data provider.

Declaration
public IEnumerable DataProvider { get; set; }
Property Value
System.Collections.IEnumerable

The data provider.

DataProviderIsEmpty

Gets a value indicating whether the data provider is empty.

Declaration
protected bool DataProviderIsEmpty { get; }
Property Value
System.Boolean

true if data provider is empty; otherwise, false.

ElementProvider

Gets or sets the associated element provider.

Declaration
public IVirtualizedElementProvider<T> ElementProvider { get; set; }
Property Value
IVirtualizedElementProvider<T>

The element provider.

Methods

BeginMeasure(SizeF)

Begins the measure.

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

Size of the available.
Returns
System.Boolean

EndMeasure()

Ends the measure.

Declaration
protected abstract SizeF EndMeasure()
Returns
System.Drawing.SizeF

FindCompatibleElement(Int32, T)

Finds the compatible element.

Declaration
protected virtual int FindCompatibleElement(int position, T data)
Parameters
System.Int32 position

The position.
T data

The data.
Returns
System.Int32

GetElementContext()

Gets the element context.

Declaration
protected virtual object GetElementContext()
Returns
System.Object

InitializeFields()

Declaration
protected override void InitializeFields()
Overrides

InsertElement(Int32, IVirtualizedElement<T>, T)

Inserts the element.

Declaration
protected virtual void InsertElement(int position, IVirtualizedElement<T> element, T data)
Parameters
System.Int32 position

The position.
IVirtualizedElement<T> element

The element.
T data

The data.

IsItemVisible(T)

Determines whether the specified item is visible.

Declaration
protected virtual bool IsItemVisible(T data)
Parameters
T data

The item.
Returns
System.Boolean

true if item is visible; otherwise, false.

MeasureElement(IVirtualizedElement<T>)

Declaration
protected abstract bool MeasureElement(IVirtualizedElement<T> element)
Parameters
IVirtualizedElement<T> element

Returns
System.Boolean

MeasureElements()

Declaration
protected virtual void MeasureElements()

MeasureOverride(SizeF)

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

Returns
System.Drawing.SizeF

Overrides

RemoveElement(Int32)

Removes the element.

Declaration
protected virtual void RemoveElement(int position)
Parameters
System.Int32 position

The position.

UpdateElement(Int32, T)

Updates the element at concrete position

Declaration
protected virtual IVirtualizedElement<T> UpdateElement(int position, T data)
Parameters
System.Int32 position

The position.
T data

The data.
Returns
IVirtualizedElement<T>

UpdateItems()

Updates the items' layout

Declaration
public virtual void UpdateItems()

Extension Methods