Coalesce operator and Conditional operator in VB.NET [duplicate]

Question

Possible Duplicate:
Is there a conditional ternary operator in VB.NET?

Hi guys, Can we use Coalesce operator(??) and conditional ternary operator(:) in VB.NET as in C#?

Answer 1

I think you can get close with using an inline if statement:

//C#
int x = a ? b : c;

'VB.Net
Dim x as Integer = If(a, b, c)

Answer 2

Sub Main()
    Dim x, z As Object
    Dim y As Nullable(Of Integer)
    z = "1243"

    Dim c As Object = Coalesce(x, y, z)
End Sub

Private Function Coalesce(ByVal ParamArray x As Object())
    Return x.First(Function(y) Not IsNothing(y))
End Function

Answer 3

just for reference, Coalesce operator for String

Private Function Coalesce(ByVal ParamArray Parameters As String()) As String
    For Each Parameter As String In Parameters
        If Not Parameter Is Nothing Then
            Return Parameter
        End If
    Next
    Return Nothing
End Function

Answer 4

If should be IIf

Dim x as Integer=IIf(a,b,c)