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IVirtualizationService

Interface

The service supporting the virtualization of diagram items which are not visible in the viewport anymore.

Definition

Assembly:Telerik.WinControls.RadDiagram.dll

Syntax:

public interface IVirtualizationService

When set to True, no virtualization or realization is done. When set to False, virtualization or serialization is processed normally.

bool IsBlocked { get; set; }

Forces the realization of all items.

void ForceRealization()

Remarks:

When implementing a layout algorithm you need to call this method in order to take all the bounds into account.

Determines whether the item is in the viewport.

bool IsInViewport(IDiagramItem item)

Parameters:itemIDiagramItem

The item.

Returns:

Notifies items change.

void NotifyItemsChanged(NotifyCollectionChangedEventArgs e)

The NotifyCollectionChangedEventArgs instance containing the event data.

Realizes the items contained in provided bounds and virtualizes the others.

void Realize(Rect enclosingBounds)

Parameters:enclosingBoundsRect

Items inside will be realized.

Virtualizes this instance.

void Virtualize()

Virtualizes the specified items.

void Virtualize(IEnumerable<IDiagramItem> items)

Parameters:itemsIEnumerable<IDiagramItem>

The items.