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
System.Windows.DependencyProperty

Properties

CanHorizontallyScroll

Declaration

public bool CanHorizontallyScroll { get; set; }

Property Value

Type
System.Boolean

CanVerticallyScroll

Declaration

public bool CanVerticallyScroll { get; set; }

Property Value

Type
System.Boolean

ExtentHeight

Declaration

public double ExtentHeight { get; }

Property Value

Type
System.Double

ExtentWidth

Declaration

public double ExtentWidth { get; }

Property Value

Type
System.Double

HorizontalOffset

Declaration

public double HorizontalOffset { get; }

Property Value

Type
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
System.Windows.Controls.ScrollViewer

VerticalOffset

Declaration

public double VerticalOffset { get; }

Property Value

Type
System.Double

ViewportHeight

Declaration

public double ViewportHeight { get; }

Property Value

Type
System.Double

ViewportWidth

Declaration

public double ViewportWidth { get; }

Property Value

Type
System.Double

Methods

ArrangeOverride(Size)

Declaration

protected override Size ArrangeOverride(Size finalSize)

Parameters

Type	Name	Description
System.Windows.Size	finalSize

Returns

Type
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
System.Windows.Rect

MeasureOverride(Size)

Declaration

protected override Size MeasureOverride(Size availableSize)

Parameters

Type	Name	Description
System.Windows.Size	availableSize

Returns

Type
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