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Returns one of two objects, depending on the evaluation of an expression.
Public Function IIf( _
ByVal Expression As Boolean, _
ByVal TruePart As Object, _
ByVal FalsePart As Object _
) As Object
Parameters
- Expression
Required. Boolean. The expression you want to evaluate.
- TruePart
Required. Object. Returned if Expression evaluates to True.
- FalsePart
Required. Object. Returned if Expression evaluates to False.
Remarks
The IIf function provides a counterpart for the ternary Conditional Operator: ? : in Visual C++.
Example
This example uses the IIf function to evaluate the testMe parameter of the checkIt procedure and returns the word "Large" if the amount is greater than 1000; otherwise, it returns the word "Small".
Function checkIt(ByVal testMe As Integer) As String
Return CStr(IIf(testMe > 1000, "Large", "Small"))
End Function
Note that if Option Strict is On, you must use the CStr keyword to explicitly convert the return from Object to String.
Requirements
Namespace: Microsoft.VisualBasic
Module: Interaction
Assembly: Visual Basic Runtime Library (in Microsoft.VisualBasic.dll)
See Also
Reference
Option Strict Statement
Type Conversion Functions
Choose Function
If...Then...Else Statement (Visual Basic)
Select...Case Statement (Visual Basic)
Switch Function