/// <summary>
/// Performs a subsequent ordering of the elements in a sequence in ascending order by using a specified comparer.
/// </summary>
/// <typeparam name="TSource">The type of the elements of <paramref name="source"/>.</typeparam>
/// <typeparam name="TKey">The type of the key returned by <paramref name="keySelector"/>.</typeparam>
/// <param name="source">An <see cref="T:System.Linq.IOrderedEnumerable`1"/> that contains elements to sort.</param>
/// <param name="keySelector">A function to extract a key from each element.</param>
/// <param name="comparer">An <see cref="T:System.Collections.Generic.IComparer`1"/> to compare keys.</param>
/// <param name="dependencyAnalysisMode">The dependency analysis mode.</param>
/// <returns>
/// An <see cref="T:System.Linq.IOrderedEnumerable`1"/> whose elements are sorted according to a key.
/// </returns>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="source"/> or <paramref name="keySelector"/> is null.</exception>
public static IOrderedBindableCollection <TSource> ThenBy <TSource, TKey>(this IOrderedBindableCollection <TSource> source, Expression <Func <TSource, TKey> > keySelector, IComparer <TKey> comparer, DependencyDiscovery dependencyAnalysisMode) where TSource : class
{
source.ShouldNotBeNull("source");
keySelector.ShouldNotBeNull("keySelector");
var result = source.CreateOrderedIterator(keySelector.Compile(), comparer, false);
if (dependencyAnalysisMode == DependencyDiscovery.Enabled)
{
return(result.DependsOnExpression(keySelector.Body, keySelector.Parameters[0]));
}
return(result);
}
/// <summary>
/// Performs a subsequent ordering of the elements in a sequence in ascending order by using a specified comparer.
/// </summary>
/// <typeparam name="TSource">The type of the elements of <paramref name="source"/>.</typeparam>
/// <typeparam name="TKey">The type of the key returned by <paramref name="keySelector"/>.</typeparam>
/// <param name="source">An <see cref="T:System.Linq.IOrderedEnumerable`1"/> that contains elements to sort.</param>
/// <param name="keySelector">A function to extract a key from each element.</param>
/// <param name="comparer">An <see cref="T:System.Collections.Generic.IComparer`1"/> to compare keys.</param>
/// <returns>
/// An <see cref="T:System.Linq.IOrderedEnumerable`1"/> whose elements are sorted according to a key.
/// </returns>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="source"/> or <paramref name="keySelector"/> is null.</exception>
public static IOrderedBindableCollection <TSource> ThenBy <TSource, TKey>(this IOrderedBindableCollection <TSource> source, Expression <Func <TSource, TKey> > keySelector, IComparer <TKey> comparer) where TSource : class
{
return(ThenBy(source, keySelector, comparer, DefaultDependencyAnalysis));
}
/// <summary>
/// Performs a subsequent ordering of the elements in a sequence in ascending order according to a key.
/// </summary>
/// <typeparam name="TSource">The type of the elements of <paramref name="source"/>.</typeparam>
/// <typeparam name="TKey">The type of the key returned by <paramref name="keySelector"/>.</typeparam>
/// <param name="source">An <see cref="T:System.Linq.IOrderedEnumerable`1"/> that contains elements to sort.</param>
/// <param name="keySelector">A function to extract a key from each element.</param>
/// <param name="dependencyAnalysisMode">The dependency analysis mode.</param>
/// <returns>
/// An <see cref="T:System.Linq.IOrderedEnumerable`1"/> whose elements are sorted according to a key.
/// </returns>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="source"/> or <paramref name="keySelector"/> is null.</exception>
public static IOrderedBindableCollection <TSource> ThenBy <TSource, TKey>(this IOrderedBindableCollection <TSource> source, Expression <Func <TSource, TKey> > keySelector, DependencyDiscovery dependencyAnalysisMode) where TSource : class
{
return(source.ThenBy(keySelector, null, dependencyAnalysisMode));
}
/// <summary>
/// Performs a subsequent ordering of the elements in a sequence in descending order, according to a key.
/// </summary>
/// <typeparam name="TSource">The type of the elements of <paramref name="source"/>.</typeparam>
/// <typeparam name="TKey">The type of the key returned by <paramref name="keySelector"/>.</typeparam>
/// <param name="source">An <see cref="T:System.Linq.IOrderedEnumerable`1"/> that contains elements to sort.</param>
/// <param name="keySelector">A function to extract a key from each element.</param>
/// <returns>
/// An <see cref="T:System.Linq.IOrderedEnumerable`1"/> whose elements are sorted in descending order according to a key.
/// </returns>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="source"/> or <paramref name="keySelector"/> is null.</exception>
public static IOrderedBindableCollection <TSource> ThenByDescending <TSource, TKey>(this IOrderedBindableCollection <TSource> source, Expression <Func <TSource, TKey> > keySelector) where TSource : class
{
return(ThenByDescending(source, keySelector, DefaultDependencyAnalysis));
}
