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EnumerableExtensionsHasSingleElementT Method

Determines whether the specified enumeration has exactly one element.

Namespace: Altaxo.Collections
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3179.0 (4.8.3179.0)
Syntax
C#
Copy
public static bool HasSingleElement<T>(
	this IEnumerable<T> org
)

Parameters

org  IEnumerableT
The enumeration to test.

Type Parameters

T
Type of the elements of the enumeration.

Return Value

Boolean
true if the specified enumeration contains excactly one element; otherwise, false.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerableT. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
Exceptions
ExceptionCondition
ArgumentNullExceptionThe enumeration to test is null.
See Also