Expression::IfThenElse Method (Expression^, Expression^, Expression^)

.NET Framework (current version)
 
System_CAPS_noteNote

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Creates a ConditionalExpression that represents a conditional block with if and else statements.

Namespace:   System.Linq.Expressions
Assembly:  System.Core (in System.Core.dll)

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public:
static ConditionalExpression^ IfThenElse(
	Expression^ test,
	Expression^ ifTrue,
	Expression^ ifFalse
)

Parameters

test
Type: System.Linq.Expressions::Expression^

An Expression to set the Test property equal to.

ifTrue
Type: System.Linq.Expressions::Expression^

An Expression to set the IfTrue property equal to.

ifFalse
Type: System.Linq.Expressions::Expression^

An Expression to set the IfFalse property equal to.

Return Value

Type: System.Linq.Expressions::ConditionalExpression^

A ConditionalExpression that has the NodeType property equal to Conditional and the Test, IfTrue, and IfFalse properties set to the specified values. The type of the resulting ConditionalExpression returned by this method is Void.

The following code example shows how to create an expression that represents a conditional block.

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

Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 4.0
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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