• Article

Array.GetLength Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Gets a 32-bit integer that represents the number of elements in the specified dimension of the Array.

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

Syntax

'Declaration
<SecuritySafeCriticalAttribute> _
Public Function GetLength ( _
    dimension As Integer _
) As Integer

[SecuritySafeCriticalAttribute]
public int GetLength(
    int dimension
)

Parameters

  • dimension
    Type: System.Int32
    A zero-based dimension of the Array whose length needs to be determined.

Return Value

Type: System.Int32
A 32-bit integer that represents the number of elements in the specified dimension.

Exceptions

Exception Condition
IndexOutOfRangeException

dimension is less than zero.

-or-

dimension is equal to or greater than Rank.

Remarks

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

This method is an O(1) operation.

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.