Expression.ArrayLength Method
Microsoft Silverlight will reach end of support after October 2021. Learn more.
Creates a UnaryExpression that represents an expression for obtaining the length of a one-dimensional array.
Namespace: System.Linq.Expressions
Assembly: System.Core (in System.Core.dll)
Syntax
'Declaration
Public Shared Function ArrayLength ( _
array As Expression _
) As UnaryExpression
public static UnaryExpression ArrayLength(
Expression array
)
Parameters
- array
Type: System.Linq.Expressions.Expression
An Expression to set the Operand property equal to.
Return Value
Type: System.Linq.Expressions.UnaryExpression
A UnaryExpression that has the NodeType property equal to ArrayLength and the Operand property equal to array.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | array is nulla null reference (Nothing in Visual Basic). |
| ArgumentException | array.Type does not represent an array type. |
Remarks
The Type property of array must represent an array type.
The Type property of the resulting UnaryExpression is equal to Int32. The Method property is nulla null reference (Nothing in Visual Basic), and both IsLifted and IsLiftedToNull are set to false.
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: 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.