IOrderedEnumerable<TElement> Interface
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Represents a sorted sequence.
Namespace: System.Linq
Assembly: System.Core (in System.Core.dll)
Syntax
'Declaration
Public Interface IOrderedEnumerable(Of TElement) _
Inherits IEnumerable(Of TElement), IEnumerable
public interface IOrderedEnumerable<TElement> : IEnumerable<TElement>,
IEnumerable
Type Parameters
- TElement
The type of the elements of the sequence.
The IOrderedEnumerable<TElement> type exposes the following members.
Methods
| Name | Description | |
|---|---|---|
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CreateOrderedEnumerable<TKey> | Performs a subsequent ordering on the elements of an IOrderedEnumerable<TElement> according to a key. |
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GetEnumerator() | Returns an enumerator that iterates through a collection. (Inherited from IEnumerable.) |
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GetEnumerator() | Returns an enumerator that iterates through the collection. (Inherited from IEnumerable<T>.) |
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Extension Methods
| Name | Description | |
|---|---|---|
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Aggregate<TElement>(Func<TElement, TElement, TElement>) | Overloaded. Applies an accumulator function over a sequence. (Defined by Enumerable.) |
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Aggregate<TElement, TAccumulate>(TAccumulate, Func<TAccumulate, TElement, TAccumulate>) | Overloaded. Applies an accumulator function over a sequence. The specified seed value is used as the initial accumulator value. (Defined by Enumerable.) |
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Aggregate<TElement, TAccumulate, TResult>(TAccumulate, Func<TAccumulate, TElement, TAccumulate>, Func<TAccumulate, TResult>) | Overloaded. Applies an accumulator function over a sequence. The specified seed value is used as the initial accumulator value, and the specified function is used to select the result value. (Defined by Enumerable.) |
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All<TElement> | Determines whether all elements of a sequence satisfy a condition. (Defined by Enumerable.) |
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Any<TElement>() | Overloaded. Determines whether a sequence contains any elements. (Defined by Enumerable.) |
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Any<TElement>(Func<TElement, Boolean>) | Overloaded. Determines whether any element of a sequence satisfies a condition. (Defined by Enumerable.) |
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AsEnumerable<TElement> | Returns the input typed as IEnumerable<T>. (Defined by Enumerable.) |
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AsQueryable() | Overloaded. Converts an IEnumerable to an IQueryable. (Defined by Queryable.) |
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AsQueryable<TElement>() | Overloaded. Converts a generic IEnumerable<T> to a generic IQueryable<T>. (Defined by Queryable.) |
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Average<TElement>(Func<TElement, Decimal>) | Overloaded. Computes the average of a sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Average<TElement>(Func<TElement, Nullable<Decimal>>) | Overloaded. Computes the average of a sequence of nullable Decimal values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Average<TElement>(Func<TElement, Double>) | Overloaded. Computes the average of a sequence of Double values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Average<TElement>(Func<TElement, Nullable<Double>>) | Overloaded. Computes the average of a sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Average<TElement>(Func<TElement, Int32>) | Overloaded. Computes the average of a sequence of Int32 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Average<TElement>(Func<TElement, Nullable<Int32>>) | Overloaded. Computes the average of a sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Average<TElement>(Func<TElement, Int64>) | Overloaded. Computes the average of a sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Average<TElement>(Func<TElement, Nullable<Int64>>) | Overloaded. Computes the average of a sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Average<TElement>(Func<TElement, Single>) | Overloaded. Computes the average of a sequence of Single values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Average<TElement>(Func<TElement, Nullable<Single>>) | Overloaded. Computes the average of a sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Cast<TResult> | Converts the elements of an IEnumerable to the specified type. (Defined by Enumerable.) |
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Concat<TElement> | Concatenates two sequences. (Defined by Enumerable.) |
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Contains<TElement>(TElement) | Overloaded. Determines whether a sequence contains a specified element by using the default equality comparer. (Defined by Enumerable.) |
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Contains<TElement>(TElement, IEqualityComparer<TElement>) | Overloaded. Determines whether a sequence contains a specified element by using a specified IEqualityComparer<T>. (Defined by Enumerable.) |
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Count<TElement>() | Overloaded. Returns the number of elements in a sequence. (Defined by Enumerable.) |
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Count<TElement>(Func<TElement, Boolean>) | Overloaded. Returns a number that represents how many elements in the specified sequence satisfy a condition. (Defined by Enumerable.) |
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DefaultIfEmpty<TElement>() | Overloaded. Returns the elements of the specified sequence or the type parameter's default value in a singleton collection if the sequence is empty. (Defined by Enumerable.) |
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DefaultIfEmpty<TElement>(TElement) | Overloaded. Returns the elements of the specified sequence or the specified value in a singleton collection if the sequence is empty. (Defined by Enumerable.) |
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Distinct<TElement>() | Overloaded. Returns distinct elements from a sequence by using the default equality comparer to compare values. (Defined by Enumerable.) |
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Distinct<TElement>(IEqualityComparer<TElement>) | Overloaded. Returns distinct elements from a sequence by using a specified IEqualityComparer<T> to compare values. (Defined by Enumerable.) |
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ElementAt<TElement> | Returns the element at a specified index in a sequence. (Defined by Enumerable.) |
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ElementAtOrDefault<TElement> | Returns the element at a specified index in a sequence or a default value if the index is out of range. (Defined by Enumerable.) |
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Except<TElement>(IEnumerable<TElement>) | Overloaded. Produces the set difference of two sequences by using the default equality comparer to compare values. (Defined by Enumerable.) |
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Except<TElement>(IEnumerable<TElement>, IEqualityComparer<TElement>) | Overloaded. Produces the set difference of two sequences by using the specified IEqualityComparer<T> to compare values. (Defined by Enumerable.) |
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First<TElement>() | Overloaded. Returns the first element of a sequence. (Defined by Enumerable.) |
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First<TElement>(Func<TElement, Boolean>) | Overloaded. Returns the first element in a sequence that satisfies a specified condition. (Defined by Enumerable.) |
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FirstOrDefault<TElement>() | Overloaded. Returns the first element of a sequence, or a default value if the sequence contains no elements. (Defined by Enumerable.) |
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FirstOrDefault<TElement>(Func<TElement, Boolean>) | Overloaded. Returns the first element of the sequence that satisfies a condition or a default value if no such element is found. (Defined by Enumerable.) |
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GroupBy<TElement, TKey>(Func<TElement, TKey>) | Overloaded. Groups the elements of a sequence according to a specified key selector function. (Defined by Enumerable.) |
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GroupBy<TElement, TKey>(Func<TElement, TKey>, IEqualityComparer<TKey>) | Overloaded. Groups the elements of a sequence according to a specified key selector function and compares the keys by using a specified comparer. (Defined by Enumerable.) |
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GroupBy<TElement, TKey, TElement>(Func<TElement, TKey>, Func<TElement, TElement>) | Overloaded. Groups the elements of a sequence according to a specified key selector function and projects the elements for each group by using a specified function. (Defined by Enumerable.) |
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GroupBy<TElement, TKey, TResult>(Func<TElement, TKey>, Func<TKey, IEnumerable<TElement>, TResult>) | Overloaded. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. (Defined by Enumerable.) |
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GroupBy<TElement, TKey, TElement>(Func<TElement, TKey>, Func<TElement, TElement>, IEqualityComparer<TKey>) | Overloaded. Groups the elements of a sequence according to a key selector function. The keys are compared by using a comparer and each group's elements are projected by using a specified function. (Defined by Enumerable.) |
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GroupBy<TElement, TKey, TResult>(Func<TElement, TKey>, Func<TKey, IEnumerable<TElement>, TResult>, IEqualityComparer<TKey>) | Overloaded. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. The keys are compared by using a specified comparer. (Defined by Enumerable.) |
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GroupBy<TElement, TKey, TElement, TResult>(Func<TElement, TKey>, Func<TElement, TElement>, Func<TKey, IEnumerable<TElement>, TResult>) | Overloaded. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. The elements of each group are projected by using a specified function. (Defined by Enumerable.) |
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GroupBy<TElement, TKey, TElement, TResult>(Func<TElement, TKey>, Func<TElement, TElement>, Func<TKey, IEnumerable<TElement>, TResult>, IEqualityComparer<TKey>) | Overloaded. Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. Key values are compared by using a specified comparer, and the elements of each group are projected by using a specified function. (Defined by Enumerable.) |
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GroupJoin<TElement, TInner, TKey, TResult>(IEnumerable<TInner>, Func<TElement, TKey>, Func<TInner, TKey>, Func<TElement, IEnumerable<TInner>, TResult>) | Overloaded. Correlates the elements of two sequences based on equality of keys and groups the results. The default equality comparer is used to compare keys. (Defined by Enumerable.) |
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GroupJoin<TElement, TInner, TKey, TResult>(IEnumerable<TInner>, Func<TElement, TKey>, Func<TInner, TKey>, Func<TElement, IEnumerable<TInner>, TResult>, IEqualityComparer<TKey>) | Overloaded. Correlates the elements of two sequences based on key equality and groups the results. A specified IEqualityComparer<T> is used to compare keys. (Defined by Enumerable.) |
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Intersect<TElement>(IEnumerable<TElement>) | Overloaded. Produces the set intersection of two sequences by using the default equality comparer to compare values. (Defined by Enumerable.) |
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Intersect<TElement>(IEnumerable<TElement>, IEqualityComparer<TElement>) | Overloaded. Produces the set intersection of two sequences by using the specified IEqualityComparer<T> to compare values. (Defined by Enumerable.) |
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Join<TElement, TInner, TKey, TResult>(IEnumerable<TInner>, Func<TElement, TKey>, Func<TInner, TKey>, Func<TElement, TInner, TResult>) | Overloaded. Correlates the elements of two sequences based on matching keys. The default equality comparer is used to compare keys. (Defined by Enumerable.) |
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Join<TElement, TInner, TKey, TResult>(IEnumerable<TInner>, Func<TElement, TKey>, Func<TInner, TKey>, Func<TElement, TInner, TResult>, IEqualityComparer<TKey>) | Overloaded. Correlates the elements of two sequences based on matching keys. A specified IEqualityComparer<T> is used to compare keys. (Defined by Enumerable.) |
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Last<TElement>() | Overloaded. Returns the last element of a sequence. (Defined by Enumerable.) |
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Last<TElement>(Func<TElement, Boolean>) | Overloaded. Returns the last element of a sequence that satisfies a specified condition. (Defined by Enumerable.) |
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LastOrDefault<TElement>() | Overloaded. Returns the last element of a sequence, or a default value if the sequence contains no elements. (Defined by Enumerable.) |
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LastOrDefault<TElement>(Func<TElement, Boolean>) | Overloaded. Returns the last element of a sequence that satisfies a condition or a default value if no such element is found. (Defined by Enumerable.) |
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LongCount<TElement>() | Overloaded. Returns an Int64 that represents the total number of elements in a sequence. (Defined by Enumerable.) |
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LongCount<TElement>(Func<TElement, Boolean>) | Overloaded. Returns an Int64 that represents how many elements in a sequence satisfy a condition. (Defined by Enumerable.) |
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Max<TElement>() | Overloaded. Returns the maximum value in a generic sequence. (Defined by Enumerable.) |
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Max<TElement>(Func<TElement, Decimal>) | Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Decimal value. (Defined by Enumerable.) |
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Max<TElement>(Func<TElement, Nullable<Decimal>>) | Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Decimal value. (Defined by Enumerable.) |
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Max<TElement>(Func<TElement, Double>) | Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Double value. (Defined by Enumerable.) |
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Max<TElement>(Func<TElement, Nullable<Double>>) | Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Double value. (Defined by Enumerable.) |
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Max<TElement>(Func<TElement, Int32>) | Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Int32 value. (Defined by Enumerable.) |
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Max<TElement>(Func<TElement, Nullable<Int32>>) | Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Int32 value. (Defined by Enumerable.) |
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Max<TElement>(Func<TElement, Int64>) | Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Int64 value. (Defined by Enumerable.) |
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Max<TElement>(Func<TElement, Nullable<Int64>>) | Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Int64 value. (Defined by Enumerable.) |
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Max<TElement>(Func<TElement, Single>) | Overloaded. Invokes a transform function on each element of a sequence and returns the maximum Single value. (Defined by Enumerable.) |
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Max<TElement>(Func<TElement, Nullable<Single>>) | Overloaded. Invokes a transform function on each element of a sequence and returns the maximum nullable Single value. (Defined by Enumerable.) |
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Max<TElement, TResult>(Func<TElement, TResult>) | Overloaded. Invokes a transform function on each element of a generic sequence and returns the maximum resulting value. (Defined by Enumerable.) |
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Min<TElement>() | Overloaded. Returns the minimum value in a generic sequence. (Defined by Enumerable.) |
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Min<TElement>(Func<TElement, Decimal>) | Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Decimal value. (Defined by Enumerable.) |
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Min<TElement>(Func<TElement, Nullable<Decimal>>) | Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Decimal value. (Defined by Enumerable.) |
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Min<TElement>(Func<TElement, Double>) | Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Double value. (Defined by Enumerable.) |
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Min<TElement>(Func<TElement, Nullable<Double>>) | Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Double value. (Defined by Enumerable.) |
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Min<TElement>(Func<TElement, Int32>) | Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Int32 value. (Defined by Enumerable.) |
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Min<TElement>(Func<TElement, Nullable<Int32>>) | Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Int32 value. (Defined by Enumerable.) |
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Min<TElement>(Func<TElement, Int64>) | Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Int64 value. (Defined by Enumerable.) |
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Min<TElement>(Func<TElement, Nullable<Int64>>) | Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Int64 value. (Defined by Enumerable.) |
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Min<TElement>(Func<TElement, Single>) | Overloaded. Invokes a transform function on each element of a sequence and returns the minimum Single value. (Defined by Enumerable.) |
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Min<TElement>(Func<TElement, Nullable<Single>>) | Overloaded. Invokes a transform function on each element of a sequence and returns the minimum nullable Single value. (Defined by Enumerable.) |
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Min<TElement, TResult>(Func<TElement, TResult>) | Overloaded. Invokes a transform function on each element of a generic sequence and returns the minimum resulting value. (Defined by Enumerable.) |
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OfType<TResult> | Filters the elements of an IEnumerable based on a specified type. (Defined by Enumerable.) |
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OrderBy<TElement, TKey>(Func<TElement, TKey>) | Overloaded. Sorts the elements of a sequence in ascending order according to a key. (Defined by Enumerable.) |
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OrderBy<TElement, TKey>(Func<TElement, TKey>, IComparer<TKey>) | Overloaded. Sorts the elements of a sequence in ascending order by using a specified comparer. (Defined by Enumerable.) |
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OrderByDescending<TElement, TKey>(Func<TElement, TKey>) | Overloaded. Sorts the elements of a sequence in descending order according to a key. (Defined by Enumerable.) |
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OrderByDescending<TElement, TKey>(Func<TElement, TKey>, IComparer<TKey>) | Overloaded. Sorts the elements of a sequence in descending order by using a specified comparer. (Defined by Enumerable.) |
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Reverse<TElement> | Inverts the order of the elements in a sequence. (Defined by Enumerable.) |
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Select<TElement, TResult>(Func<TElement, TResult>) | Overloaded. Projects each element of a sequence into a new form. (Defined by Enumerable.) |
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Select<TElement, TResult>(Func<TElement, Int32, TResult>) | Overloaded. Projects each element of a sequence into a new form by incorporating the element's index. (Defined by Enumerable.) |
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SelectMany<TElement, TResult>(Func<TElement, IEnumerable<TResult>>) | Overloaded. Projects each element of a sequence to an IEnumerable<T> and flattens the resulting sequences into one sequence. (Defined by Enumerable.) |
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SelectMany<TElement, TResult>(Func<TElement, Int32, IEnumerable<TResult>>) | Overloaded. Projects each element of a sequence to an IEnumerable<T>, and flattens the resulting sequences into one sequence. The index of each source element is used in the projected form of that element. (Defined by Enumerable.) |
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SelectMany<TElement, TCollection, TResult>(Func<TElement, Int32, IEnumerable<TCollection>>, Func<TElement, TCollection, TResult>) | Overloaded. Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one sequence, and invokes a result selector function on each element therein. The index of each source element is used in the intermediate projected form of that element. (Defined by Enumerable.) |
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SelectMany<TElement, TCollection, TResult>(Func<TElement, IEnumerable<TCollection>>, Func<TElement, TCollection, TResult>) | Overloaded. Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one sequence, and invokes a result selector function on each element therein. (Defined by Enumerable.) |
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SequenceEqual<TElement>(IEnumerable<TElement>) | Overloaded. Determines whether two sequences are equal by comparing the elements by using the default equality comparer for their type. (Defined by Enumerable.) |
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SequenceEqual<TElement>(IEnumerable<TElement>, IEqualityComparer<TElement>) | Overloaded. Determines whether two sequences are equal by comparing their elements by using a specified IEqualityComparer<T>. (Defined by Enumerable.) |
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Single<TElement>() | Overloaded. Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence. (Defined by Enumerable.) |
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Single<TElement>(Func<TElement, Boolean>) | Overloaded. Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists. (Defined by Enumerable.) |
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SingleOrDefault<TElement>() | Overloaded. Returns the only element of a sequence, or a default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence. (Defined by Enumerable.) |
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SingleOrDefault<TElement>(Func<TElement, Boolean>) | Overloaded. Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition. (Defined by Enumerable.) |
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Skip<TElement> | Bypasses a specified number of elements in a sequence and then returns the remaining elements. (Defined by Enumerable.) |
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SkipWhile<TElement>(Func<TElement, Boolean>) | Overloaded. Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. (Defined by Enumerable.) |
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SkipWhile<TElement>(Func<TElement, Int32, Boolean>) | Overloaded. Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. The element's index is used in the logic of the predicate function. (Defined by Enumerable.) |
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Sum<TElement>(Func<TElement, Decimal>) | Overloaded. Computes the sum of the sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Sum<TElement>(Func<TElement, Nullable<Decimal>>) | Overloaded. Computes the sum of the sequence of nullable Decimal values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Sum<TElement>(Func<TElement, Double>) | Overloaded. Computes the sum of the sequence of Double values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Sum<TElement>(Func<TElement, Nullable<Double>>) | Overloaded. Computes the sum of the sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Sum<TElement>(Func<TElement, Int32>) | Overloaded. Computes the sum of the sequence of Int32 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Sum<TElement>(Func<TElement, Nullable<Int32>>) | Overloaded. Computes the sum of the sequence of nullable Int32 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Sum<TElement>(Func<TElement, Int64>) | Overloaded. Computes the sum of the sequence of Int64 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Sum<TElement>(Func<TElement, Nullable<Int64>>) | Overloaded. Computes the sum of the sequence of nullable Int64 values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Sum<TElement>(Func<TElement, Single>) | Overloaded. Computes the sum of the sequence of Single values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Sum<TElement>(Func<TElement, Nullable<Single>>) | Overloaded. Computes the sum of the sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence. (Defined by Enumerable.) |
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Take<TElement> | Returns a specified number of contiguous elements from the start of a sequence. (Defined by Enumerable.) |
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TakeWhile<TElement>(Func<TElement, Boolean>) | Overloaded. Returns elements from a sequence as long as a specified condition is true. (Defined by Enumerable.) |
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TakeWhile<TElement>(Func<TElement, Int32, Boolean>) | Overloaded. Returns elements from a sequence as long as a specified condition is true. The element's index is used in the logic of the predicate function. (Defined by Enumerable.) |
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ThenBy<TSource, TKey>(Func<TSource, TKey>) | Overloaded. Performs a subsequent ordering of the elements in a sequence in ascending order according to a key. (Defined by Enumerable.) |
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ThenBy<TSource, TKey>(Func<TSource, TKey>, IComparer<TKey>) | Overloaded. Performs a subsequent ordering of the elements in a sequence in ascending order by using a specified comparer. (Defined by Enumerable.) |
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ThenByDescending<TSource, TKey>(Func<TSource, TKey>) | Overloaded. Performs a subsequent ordering of the elements in a sequence in descending order, according to a key. (Defined by Enumerable.) |
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ThenByDescending<TSource, TKey>(Func<TSource, TKey>, IComparer<TKey>) | Overloaded. Performs a subsequent ordering of the elements in a sequence in descending order by using a specified comparer. (Defined by Enumerable.) |
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ToArray<TElement> | Creates an array from a IEnumerable<T>. (Defined by Enumerable.) |
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ToDictionary<TElement, TKey>(Func<TElement, TKey>) | Overloaded. Creates a Dictionary<TKey, TValue> from an IEnumerable<T> according to a specified key selector function. (Defined by Enumerable.) |
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ToDictionary<TElement, TKey>(Func<TElement, TKey>, IEqualityComparer<TKey>) | Overloaded. Creates a Dictionary<TKey, TValue> from an IEnumerable<T> according to a specified key selector function and key comparer. (Defined by Enumerable.) |
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ToDictionary<TElement, TKey, TElement>(Func<TElement, TKey>, Func<TElement, TElement>) | Overloaded. Creates a Dictionary<TKey, TValue> from an IEnumerable<T> according to specified key selector and element selector functions. (Defined by Enumerable.) |
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ToDictionary<TElement, TKey, TElement>(Func<TElement, TKey>, Func<TElement, TElement>, IEqualityComparer<TKey>) | Overloaded. Creates a Dictionary<TKey, TValue> from an IEnumerable<T> according to a specified key selector function, a comparer, and an element selector function. (Defined by Enumerable.) |
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ToList<TElement> | Creates a List<T> from an IEnumerable<T>. (Defined by Enumerable.) |
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ToLookup<TElement, TKey>(Func<TElement, TKey>) | Overloaded. Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function. (Defined by Enumerable.) |
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ToLookup<TElement, TKey>(Func<TElement, TKey>, IEqualityComparer<TKey>) | Overloaded. Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function and key comparer. (Defined by Enumerable.) |
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ToLookup<TElement, TKey, TElement>(Func<TElement, TKey>, Func<TElement, TElement>) | Overloaded. Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to specified key selector and element selector functions. (Defined by Enumerable.) |
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ToLookup<TElement, TKey, TElement>(Func<TElement, TKey>, Func<TElement, TElement>, IEqualityComparer<TKey>) | Overloaded. Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function, a comparer and an element selector function. (Defined by Enumerable.) |
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Union<TElement>(IEnumerable<TElement>) | Overloaded. Produces the set union of two sequences by using the default equality comparer. (Defined by Enumerable.) |
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Union<TElement>(IEnumerable<TElement>, IEqualityComparer<TElement>) | Overloaded. Produces the set union of two sequences by using a specified IEqualityComparer<T>. (Defined by Enumerable.) |
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Where<TElement>(Func<TElement, Boolean>) | Overloaded. Filters a sequence of values based on a predicate. (Defined by Enumerable.) |
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Where<TElement>(Func<TElement, Int32, Boolean>) | Overloaded. Filters a sequence of values based on a predicate. Each element's index is used in the logic of the predicate function. (Defined by Enumerable.) |
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Zip<TElement, TSecond, TResult> | Merges two sequences by using the specified predicate function. (Defined by Enumerable.) |
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Remarks
This type is enumerable because it inherits from IEnumerable<T>.
The extension methods ThenBy and ThenByDescending operate on objects of type IOrderedEnumerable<TElement>. An object of type IOrderedEnumerable<TElement> can be obtained by calling one of the primary sort methods, OrderBy or OrderByDescending, which return an IOrderedEnumerable<TElement>. ThenBy and ThenByDescending, the subordinate sort methods, in turn also return an object of type IOrderedEnumerable<TElement>. This design allows for any number of consecutive calls to ThenBy or ThenByDescending, where each call performs a subordinate ordering on the sorted data returned from the previous call.
Examples
The following example demonstrates how to perform a primary and secondary ordering on an array of strings. It also demonstrates that the resulting IOrderedEnumerable<TElement> is enumerable.
' Create an array of strings to sort.
Dim fruits() As String = _
{"apricot", "orange", "banana", "mango", "apple", "grape", "strawberry"}
' Sort the strings first by their length and then alphabetically by passing the identity selector function.
Dim sortedFruits1 As IOrderedEnumerable(Of String) = _
fruits.OrderBy(Function(fruit) fruit.Length).ThenBy(Function(fruit) fruit)
Dim output As New System.Text.StringBuilder
' Output the resulting sequence of strings.
For Each fruit As String In sortedFruits1
output.AppendLine(fruit)
Next
' Display the results.
outputBlock.Text &= output.ToString() & vbCrLf
' This code produces the following output:
'
' apple
' grape
' mango
' banana
' orange
' apricot
' strawberry
// Create an array of strings to sort.
string[] fruits = { "apricot", "orange", "banana", "mango", "apple", "grape", "strawberry" };
// Sort the strings first by their length and then alphabetically
// by passing the identity selector function.
IOrderedEnumerable<string> sortedFruits1 =
fruits.OrderBy(fruit => fruit.Length).ThenBy(fruit => fruit);
// Output the resulting sequence of strings.
foreach (string fruit in sortedFruits1)
outputBlock.Text += fruit + "\n";
// This code produces the following output:
//
// apple
// grape
// mango
// banana
// orange
// apricot
// strawberry
Version Information
Silverlight
Supported in: 5, 4, 3
Silverlight for Windows Phone
Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0
XNA Framework
Supported in: Xbox 360, Windows Phone OS 7.0
Platforms
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.