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Array.GetUpperBound Method

Gets the index of the last element of the specified dimension in the array.

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

member GetUpperBound : 
        dimension:int -> int

Parameters

dimension
Type: System.Int32

A zero-based dimension of the array whose upper bound needs to be determined.

Return Value

Type: System.Int32
The index of the last element of the specified dimension in the array, or -1 if the specified dimension is empty.

ExceptionCondition
IndexOutOfRangeException

dimension is less than zero.

-or-

dimension is equal to or greater than Rank.

GetUpperBound(0) returns the last index in the first dimension of the array, and GetUpperBound(Rank - 1) returns the last index of the last dimension of the array.

This method is an O(1) operation.

The following example uses the GetLowerBound and GetUpperBound methods to display the bounds of a one-dimensional and two-dimensional array and to display the values of their array elements.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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