Class GridViewVirtualizingPanel

GridViewVirtualizingPanel is used to arrange children into single line.

Inheritance
System.Object
GridViewBaseVirtualizingPanel
GridViewVirtualizingPanel
TreeListViewVirtualizingPanel
Inherited Members
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

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