Class GridViewVirtualizingPanel

GridViewVirtualizingPanel is used to arrange children into single line.

Inheritance

System.Object

GridViewBaseVirtualizingPanel

GridViewVirtualizingPanel

TreeListViewVirtualizingPanel

Inherited Members

GridViewBaseVirtualizingPanel.ItemContainerGenerator

Namespace: Telerik.Windows.Controls.GridView

Assembly: Telerik.Windows.Controls.GridView.dll

Syntax

public class GridViewVirtualizingPanel : GridViewBaseVirtualizingPanel, IScrollInfo

Constructors

GridViewVirtualizingPanel()

Initializes a new instance of the GridViewVirtualizingPanel class.

Declaration

public GridViewVirtualizingPanel()

Fields

CleanUpVirtualizedItemEvent

Called on the ItemsControl that owns this panel when an item is being re-virtualized.

Declaration

public static readonly RoutedEvent CleanUpVirtualizedItemEvent

Field Value

System.Windows.RoutedEvent

IsVirtualizingProperty

Attached property for use on the ItemsControl that is the host for the items being presented by this panel. Use this property to turn virtualization on/off.

Declaration

public static readonly DependencyProperty IsVirtualizingProperty

Field Value

System.Windows.DependencyProperty

Properties

CanHorizontallyScroll

Gets or sets a value that indicates whether scrolling on the horizontal axis is possible.

Declaration

public bool CanHorizontallyScroll { get; set; }

Property Value

System.Boolean

CanVerticallyScroll

Gets or sets a value that indicates whether scrolling on the vertical axis is possible.

Declaration

public bool CanVerticallyScroll { get; set; }

Property Value

System.Boolean

ExtentHeight

Gets the vertical size of the extent.

Declaration

public double ExtentHeight { get; }

Property Value

System.Double

ExtentWidth

Gets the horizontal size of the extent.

Declaration

public double ExtentWidth { get; }

Property Value

System.Double

HasLogicalOrientation

Declaration

protected override bool HasLogicalOrientation { get; }

Property Value

System.Boolean

HorizontalOffset

Gets the horizontal offset of the scrolled content.

Declaration

public double HorizontalOffset { get; }

Property Value

System.Double

LogicalOrientation

Declaration

protected override Orientation LogicalOrientation { get; }

Property Value

System.Windows.Controls.Orientation

ScrollOwner

Gets or sets a System.Windows.Controls.ScrollViewer element that controls scrolling behavior.

Declaration

public ScrollViewer ScrollOwner { get; set; }

Property Value

System.Windows.Controls.ScrollViewer A System.Windows.Controls.ScrollViewer element that controls scrolling behavior. This property has no default value.

VerticalOffset

Gets the vertical offset of the scrolled content.

Declaration

public double VerticalOffset { get; }

Property Value

System.Double

ViewportHeight

Gets the vertical size of the viewport for this content.

Declaration

public double ViewportHeight { get; }

Property Value

System.Double

ViewportWidth

Gets the horizontal size of the viewport for this content.

Declaration

public double ViewportWidth { get; }

Property Value

System.Double

Methods

AddCleanUpVirtualizedItemHandler(DependencyObject, CleanUpVirtualizedItemEventHandler)

Adds a handler for the CleanUpVirtualizedItem attached event.

Declaration

public static void AddCleanUpVirtualizedItemHandler(DependencyObject element, CleanUpVirtualizedItemEventHandler handler)

Parameters

System.Windows.DependencyObject element DependencyObject that listens to this event.
CleanUpVirtualizedItemEventHandler handler Event Handler to be added.

ArrangeOverride(Size)

Declaration

protected override Size ArrangeOverride(Size finalSize)

Parameters

System.Windows.Size finalSize

Returns

System.Windows.Size

BringIndexIntoView(Int32)

When implemented in a derived class, generates the item at the specified index location and makes it visible.

Declaration

protected override void BringIndexIntoView(int index)

Parameters

System.Int32 index

Overrides

GridViewBaseVirtualizingPanel.BringIndexIntoView(Int32)

CreateUIElementCollection(FrameworkElement)

Declaration

protected override UIElementCollection CreateUIElementCollection(FrameworkElement logicalParent)

Parameters

System.Windows.FrameworkElement logicalParent

Returns

System.Windows.Controls.UIElementCollection

GetIsVirtualizing(DependencyObject)

Retrieves the value for IsVirtualizingProperty.

Declaration

public static bool GetIsVirtualizing(DependencyObject element)

Parameters

System.Windows.DependencyObject element The object on which to query the value.

Returns

System.Boolean True if virtualizing, false otherwise.

LineDown()

Scrolls down within content by one logical unit.

Declaration

public virtual void LineDown()

LineLeft()

Scrolls left within content by one logical unit.

Declaration

public virtual void LineLeft()

LineRight()

Scrolls right within content by one logical unit.

Declaration

public virtual void LineRight()

LineUp()

Scrolls up within content by one logical unit.

Declaration

public virtual void LineUp()

MakeVisible(Visual, Rect)

Forces content to scroll until the coordinate space of a System.Windows.Media.Visual object is visible.

Declaration

public Rect MakeVisible(Visual visual, Rect rectangle)

Parameters

System.Windows.Media.Visual visual A System.Windows.Media.Visual that becomes visible.
System.Windows.Rect rectangle A bounding rectangle that identifies the coordinate space to make visible.

Returns

System.Windows.Rect A System.Windows.Rect that is visible.

MeasureOverride(Size)

Declaration

protected override Size MeasureOverride(Size availableSize)

Parameters

System.Windows.Size availableSize

Returns

System.Windows.Size

MouseWheelDown()

Scrolls down within content after a user clicks the wheel button on a mouse.

Declaration

public virtual void MouseWheelDown()

MouseWheelLeft()

Scrolls left within content after a user clicks the wheel button on a mouse.

Declaration

public virtual void MouseWheelLeft()

MouseWheelRight()

Scrolls right within content after a user clicks the wheel button on a mouse.

Declaration

public virtual void MouseWheelRight()

MouseWheelUp()

Scrolls up within content after a user clicks the wheel button on a mouse.

Declaration

public virtual void MouseWheelUp()

OnCleanUpVirtualizedItem(CleanUpVirtualizedItemEventArgs)

Called when an item is being re-virtualized.

Declaration

protected virtual void OnCleanUpVirtualizedItem(CleanUpVirtualizedItemEventArgs e)

Parameters

CleanUpVirtualizedItemEventArgs e

OnCreateAutomationPeer()

Declaration

protected override AutomationPeer OnCreateAutomationPeer()

Returns

System.Windows.Automation.Peers.AutomationPeer

PageDown()

Scrolls down within content by one page.

Declaration

public virtual void PageDown()

PageLeft()

Scrolls left within content by one page.

Declaration

public virtual void PageLeft()

PageRight()

Scrolls right within content by one page.

Declaration

public virtual void PageRight()

PageUp()

Scrolls up within content by one page.

Declaration

public virtual void PageUp()

RemoveCleanUpVirtualizedItemHandler(DependencyObject, CleanUpVirtualizedItemEventHandler)

Removes a handler for the CleanUpVirtualizedItem attached event.

Declaration

public static void RemoveCleanUpVirtualizedItemHandler(DependencyObject element, CleanUpVirtualizedItemEventHandler handler)

Parameters

System.Windows.DependencyObject element DependencyObject that listens to this event.
CleanUpVirtualizedItemEventHandler handler Event Handler to be removed.

SetHorizontalOffset(Double)

Sets the amount of horizontal offset.

Declaration

public void SetHorizontalOffset(double offset)

Parameters

System.Double offset The degree to which content is horizontally offset from the containing viewport.

SetIsVirtualizing(DependencyObject, Boolean)

Sets the value for IsVirtualizingProperty.

Declaration

public static void SetIsVirtualizing(DependencyObject element, bool value)

Parameters

System.Windows.DependencyObject element The element on which to set the value.
System.Boolean value True if virtualizing, false otherwise.

SetVerticalOffset(Double)

Sets the amount of vertical offset.

Declaration

public void SetVerticalOffset(double offset)

Parameters

System.Double offset The degree to which content is vertically offset from the containing viewport.

ToString()

Declaration

public override string ToString()

Returns

System.String

Extension Methods

CollectionExtensions.ToEnumerable<T>(T)

EnumerableExtensions.ToEnumerable<T>(T)