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ParallelEnumerable::DefaultIfEmpty Method
.NET Framework (current version)
Returns the elements of the specified parallel sequence or the specified value in a singleton collection if the sequence is empty.
Assembly: System.Core (in System.Core.dll)
| Name | Description | |
|---|---|---|
  | DefaultIfEmpty<TSource>(ParallelQuery<TSource>^) | Returns the elements of the specified parallel sequence or the type parameter's default value in a singleton collection if the sequence is empty. |
| DefaultIfEmpty<TSource>(ParallelQuery<TSource>^, TSource) | Returns the elements of the specified parallel sequence or the specified value in a singleton collection if the sequence is empty. |
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