ItemIndexRange Class

Definition

Namespace:
Windows.UI.Xaml.Data
Edit

Provides info about a range of items in the data source.

Equivalent WinUI class: Microsoft.UI.Xaml.Data.ItemIndexRange.

/// [Windows.Foundation.Metadata.Composable(Windows.UI.Xaml.Data.IItemIndexRangeFactory, Windows.Foundation.Metadata.CompositionType.Public, 65536, Windows.Foundation.UniversalApiContract)]
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.WebHostHidden]
class ItemIndexRange
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.WebHostHidden]
/// [Windows.Foundation.Metadata.Composable(Windows.UI.Xaml.Data.IItemIndexRangeFactory, Windows.Foundation.Metadata.CompositionType.Public, 65536, "Windows.Foundation.UniversalApiContract")]
class ItemIndexRange
[Windows.Foundation.Metadata.Composable(typeof(Windows.UI.Xaml.Data.IItemIndexRangeFactory), Windows.Foundation.Metadata.CompositionType.Public, 65536, typeof(Windows.Foundation.UniversalApiContract))]
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Windows.Foundation.Metadata.WebHostHidden]
public class ItemIndexRange
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Windows.Foundation.Metadata.WebHostHidden]
[Windows.Foundation.Metadata.Composable(typeof(Windows.UI.Xaml.Data.IItemIndexRangeFactory), Windows.Foundation.Metadata.CompositionType.Public, 65536, "Windows.Foundation.UniversalApiContract")]
public class ItemIndexRange
Public Class ItemIndexRange
Inheritance
Object
ItemIndexRange
Attributes
ComposableAttribute ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute WebHostHiddenAttribute

Windows 10 requirements

Device family
Windows 10 (introduced in 10.0.10240.0)
API contract
Windows.Foundation.UniversalApiContract (introduced in v1.0)

Remarks

The ItemIndexRange class supports virtualization of large data sources for efficient presentation by XAML list controls. The other classes and interfaces that support data source virtualization are the following.

Constructors

ItemIndexRange(Int32, UInt32)

Initializes an instance of the ItemIndexRange class.

Equivalent WinUI constructor: Microsoft.UI.Xaml.Data.ItemIndexRange.ItemIndexRange.

Properties

FirstIndex

Gets the index of the first item in the instance of the ItemIndexRange class.

Equivalent WinUI property: Microsoft.UI.Xaml.Data.ItemIndexRange.FirstIndex.
LastIndex

Gets the index of the last item in the instance of the ItemIndexRange class.

Equivalent WinUI property: Microsoft.UI.Xaml.Data.ItemIndexRange.LastIndex.
Length

Gets the number of items in the instance of the ItemIndexRange class.

Equivalent WinUI property: Microsoft.UI.Xaml.Data.ItemIndexRange.Length.

Applies to