Class VirtualizingItemsPanel

Inheritance
System.Object
VirtualizingItemsPanel
Implements
System.Windows.Controls.Primitives.IScrollInfo
Namespace: Syncfusion.Windows.Controls.Grid
Assembly: Syncfusion.Grid.Wpf.dll
Syntax
public class VirtualizingItemsPanel : VirtualizingPanel, IScrollInfo

Constructors

VirtualizingItemsPanel()

Declaration
public VirtualizingItemsPanel()

Fields

ItemsHeightProperty

Declaration
public static readonly DependencyProperty ItemsHeightProperty
Field Value
Type Description
System.Windows.DependencyProperty

Properties

CanHorizontallyScroll

Declaration
public bool CanHorizontallyScroll { get; set; }
Property Value
Type Description
System.Boolean

CanVerticallyScroll

Declaration
public bool CanVerticallyScroll { get; set; }
Property Value
Type Description
System.Boolean

ExtentHeight

Declaration
public double ExtentHeight { get; }
Property Value
Type Description
System.Double

ExtentWidth

Declaration
public double ExtentWidth { get; }
Property Value
Type Description
System.Double

HorizontalOffset

Declaration
public double HorizontalOffset { get; }
Property Value
Type Description
System.Double

ItemsHeight

Gets or sets the height of the row.

Declaration
public double ItemsHeight { get; set; }
Property Value
Type Description
System.Double

The height of the row.

ScrollOwner

Declaration
public ScrollViewer ScrollOwner { get; set; }
Property Value
Type Description
System.Windows.Controls.ScrollViewer

VerticalOffset

Declaration
public double VerticalOffset { get; }
Property Value
Type Description
System.Double

ViewportHeight

Declaration
public double ViewportHeight { get; }
Property Value
Type Description
System.Double

ViewportWidth

Declaration
public double ViewportWidth { get; }
Property Value
Type Description
System.Double

Methods

ArrangeOverride(Size)

Declaration
protected override Size ArrangeOverride(Size finalSize)
Parameters
Type Name Description
System.Windows.Size finalSize
Returns
Type Description
System.Windows.Size

LineDown()

Declaration
public void LineDown()

LineLeft()

Since we are not providing virtualizaion towards horizantal, it is not manditory to implement these methods.

Declaration
public void LineLeft()

LineRight()

Declaration
public void LineRight()

LineUp()

Declaration
public void LineUp()

MakeVisible(Visual, Rect)

Declaration
public Rect MakeVisible(Visual visual, Rect rectangle)
Parameters
Type Name Description
System.Windows.Media.Visual visual
System.Windows.Rect rectangle
Returns
Type Description
System.Windows.Rect

MeasureOverride(Size)

Declaration
protected override Size MeasureOverride(Size availableSize)
Parameters
Type Name Description
System.Windows.Size availableSize
Returns
Type Description
System.Windows.Size

MouseWheelDown()

Declaration
public void MouseWheelDown()

MouseWheelLeft()

Declaration
public void MouseWheelLeft()

MouseWheelRight()

Declaration
public void MouseWheelRight()

MouseWheelUp()

Declaration
public void MouseWheelUp()

OnInitialized(EventArgs)

Raises the System.Windows.FrameworkElement.Initialized event. This method is invoked whenever System.Windows.FrameworkElement.IsInitialized is set to true internally.

Declaration
protected override void OnInitialized(EventArgs e)
Parameters
Type Name Description
System.EventArgs e

The System.Windows.RoutedEventArgs that contains the event data.

OnItemsChanged(Object, ItemsChangedEventArgs)

When items are removed, remove the corresponding UI if necessary

Declaration
protected override void OnItemsChanged(object sender, ItemsChangedEventArgs args)
Parameters
Type Name Description
System.Object sender
System.Windows.Controls.Primitives.ItemsChangedEventArgs args

PageDown()

Declaration
public void PageDown()

PageLeft()

Declaration
public void PageLeft()

PageRight()

Declaration
public void PageRight()

PageUp()

Declaration
public void PageUp()

SetHorizontalOffset(Double)

Declaration
public void SetHorizontalOffset(double offset)
Parameters
Type Name Description
System.Double offset

SetVerticalOffset(Double)

Declaration
public void SetVerticalOffset(double offset)
Parameters
Type Name Description
System.Double offset

Implements

System.Windows.Controls.Primitives.IScrollInfo