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Posted 23 Mar 2009

WPF: Data Virtualization

, 28 Mar 2013 Public Domain
A collection class providing data virtualization with large data sets.
using System.Collections.Generic;

namespace DataVirtualization
    /// <summary>
    /// Represents a provider of collection details.
    /// </summary>
    /// <typeparam name="T">The type of items in the collection.</typeparam>
    public interface IItemsProvider<T>
        /// <summary>
        /// Fetches the total number of items available.
        /// </summary>
        /// <returns></returns>
        int FetchCount();

        /// <summary>
        /// Fetches a range of items.
        /// </summary>
        /// <param name="startIndex">The start index.</param>
        /// <param name="count">The number of items to fetch.</param>
        /// <returns></returns>
        IList<T> FetchRange(int startIndex, int count);

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About the Author

Paul McClean
Software Developer (Senior)
United Kingdom United Kingdom
Paul's first venture into software development was on ZX Spectrum BASIC at age 10. Twenty years and a engineering degree later, Paul is a professional software developer based in Northern Ireland.

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