ClassGridViewVirtualizingPanel
GridViewVirtualizingPanel is used to arrange children into single line.
Definition
Namespace:Telerik.Windows.Controls.GridView
Assembly:Telerik.Windows.Controls.GridView.dll
Syntax:
public class GridViewVirtualizingPanel : GridViewBaseVirtualizingPanel, IScrollInfoInheritance: objectGridViewBaseVirtualizingPanelGridViewVirtualizingPanel
Derived Classes:
Implements:
Inherited Members
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 CleanUpVirtualizedItemEventField Value
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 IsVirtualizingPropertyField Value
DependencyProperty
Properties
CanHorizontallyScroll
Gets or sets a value that indicates whether scrolling on the horizontal axis is possible.
CanVerticallyScroll
Gets or sets a value that indicates whether scrolling on the vertical axis is possible.
ExtentHeight
Gets the vertical size of the extent.
ExtentWidth
Gets the horizontal size of the extent.
HasLogicalOrientation
Declaration
protected override bool HasLogicalOrientation { get; }Property Value
HorizontalOffset
Gets the horizontal offset of the scrolled content.
LogicalOrientation
Declaration
protected override Orientation LogicalOrientation { get; }Property Value
Orientation
ScrollOwner
Gets or sets a ScrollViewer element that controls scrolling behavior.
Declaration
public ScrollViewer ScrollOwner { get; set; }Property Value
ScrollViewer
A ScrollViewer element that controls scrolling behavior. This property has no default value.
VerticalOffset
Gets the vertical offset of the scrolled content.
ViewportHeight
Gets the vertical size of the viewport for this content.
ViewportWidth
Gets the horizontal size of the viewport for this content.
Methods
AddCleanUpVirtualizedItemHandler(DependencyObject, CleanUpVirtualizedItemEventHandler)
Adds a handler for the CleanUpVirtualizedItem attached event.
Declaration
public static void AddCleanUpVirtualizedItemHandler(DependencyObject element, CleanUpVirtualizedItemEventHandler handler)Parameters
element
DependencyObject
DependencyObject that listens to this event.
handler
CleanUpVirtualizedItemEventHandler
Event Handler to be added.
ArrangeOverride(Size)
Declaration
protected override Size ArrangeOverride(Size finalSize)Parameters
finalSize
Size
Returns
Size
BringIndexIntoView(int)
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
index
Overrides
CreateUIElementCollection(FrameworkElement)
Declaration
protected override UIElementCollection CreateUIElementCollection(FrameworkElement logicalParent)Parameters
logicalParent
FrameworkElement
Returns
UIElementCollection
GetIsVirtualizing(DependencyObject)
Retrieves the value for IsVirtualizingProperty.
Declaration
public static bool GetIsVirtualizing(DependencyObject element)Parameters
element
DependencyObject
The object on which to query the value.
Returns
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 Visual object is visible.
Declaration
public Rect MakeVisible(Visual visual, Rect rectangle)Parameters
visual
Visual
A Visual that becomes visible.
rectangle
Rect
A bounding rectangle that identifies the coordinate space to make visible.
Returns
Rect
A Rect that is visible.
MeasureOverride(Size)
Declaration
protected override Size MeasureOverride(Size availableSize)Parameters
availableSize
Size
Returns
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
e
OnCreateAutomationPeer()
Declaration
protected override AutomationPeer OnCreateAutomationPeer()Returns
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
element
DependencyObject
DependencyObject that listens to this event.
handler
CleanUpVirtualizedItemEventHandler
Event Handler to be removed.
SetHorizontalOffset(double)
Sets the amount of horizontal offset.
Declaration
public void SetHorizontalOffset(double offset)Parameters
offset
The degree to which content is horizontally offset from the containing viewport.
SetIsVirtualizing(DependencyObject, bool)
Sets the value for IsVirtualizingProperty.
Declaration
public static void SetIsVirtualizing(DependencyObject element, bool value)Parameters
element
DependencyObject
The element on which to set the value.
value
True if virtualizing, false otherwise.
SetVerticalOffset(double)
Sets the amount of vertical offset.
Declaration
public void SetVerticalOffset(double offset)Parameters
offset
The degree to which content is vertically offset from the containing viewport.