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Array.GetLongLength Method

Gets a 64-bit integer that represents the number of elements in the specified dimension of the Array.

Namespace:  System
Assembly:  mscorlib (in mscorlib.dll)

'Declaration
<ComVisibleAttribute(False)> _
Public Function GetLongLength ( _
	dimension As Integer _
) As Long

Parameters

dimension
Type: System.Int32

A zero-based dimension of the Array whose length needs to be determined.

Return Value

Type: System.Int64
A 64-bit integer that represents the number of elements in the specified dimension.

ExceptionCondition
IndexOutOfRangeException

dimension is less than zero.

-or-

dimension is equal to or greater than Rank.

An example of GetLongLength is GetLongLength(0), which returns the number of elements in the first dimension of the Array.

This method is an O(1) operation.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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