ItemIndexRange ItemIndexRange ItemIndexRange ItemIndexRange Class

Definition

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

public : class ItemIndexRange : IItemIndexRangepublic class ItemIndexRange : IItemIndexRangePublic Class ItemIndexRange Implements IItemIndexRange// This API is not available in Javascript.
Attributes
Windows 10 requirements
Device family
Windows 10 (introduced v10.0.10240.0)
API contract
Windows.Foundation.UniversalApiContract (introduced v1)

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) ItemIndexRange(Int32, UInt32) ItemIndexRange(Int32, UInt32) ItemIndexRange(Int32, UInt32)

Initializes an instance of the ItemIndexRange class.

public : ItemIndexRange(int firstIndex, unsigned int length)public ItemIndexRange(Int32 firstIndex, UInt32 length)Public Sub New(firstIndex As Int32, length As UInt32)// This API is not available in Javascript.
Parameters
firstIndex
int Int32 Int32 Int32

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

length
unsigned int UInt32 UInt32 UInt32

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

Properties

FirstIndex FirstIndex FirstIndex FirstIndex

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

public : int FirstIndex { get; }public int FirstIndex { get; }Public ReadOnly Property FirstIndex As int// This API is not available in Javascript.
Value
int int int int

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

LastIndex LastIndex LastIndex LastIndex

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

public : int LastIndex { get; }public int LastIndex { get; }Public ReadOnly Property LastIndex As int// This API is not available in Javascript.
Value
int int int int

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

Length Length Length Length

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

public : unsigned int Length { get; }public uint Length { get; }Public ReadOnly Property Length As uint// This API is not available in Javascript.
Value
unsigned int uint uint uint

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