VB.NET equivalente de C#"As"

Question

¿Cuál es el equivalente en VB.NET de la palabra clave C # As , como en el siguiente?

var x = y as String;
if (x == null) ...

Answer 1

Aqui tienes:

C # code:

var x = y as String;
if (x == null) ...

Equivalente de VB.NET:

Dim x = TryCast(y, String)
If (x Is Nothing) ...

Answer 2

Dim x = TryCast (y, [String])

Answer 3

Es TryCast:

Dim x As String = TryCast(y, String)
If x Is Nothing Then ...

Answer 4

Puedes usarlo con ? :

TryCast(item, String)?.Substring(10)

Te permite administrar Nullable sin if :)

Answer 5

TryCast:

Dim x = TryCast(y, String)
if (x Is Nothing) ...

Answer 6

Trycast es lo que estás buscando.

Dim x = TryCast(y, String)

Answer 7

Dim x = TryCast(y, [String])

De: http://www.developerfusion.com/tools/convert/csharp-to-vb/