Vb.Net 分配给元组

Question

VB 是否支持对元组的赋值？如果是这样，语法是什么？

Private Function GetPeStream(metadataDiagnostics As DiagnosticBag, peStreamProvider As EmitStreamProvider, metadataOnly As Boolean) As (peStream As Stream, signingStream As Stream, selectedStream As Stream)
    Return ...
End Function

Dim ret As Stream
Dim peStream as Stream
Dim signingInputStream as Stream
(peStream, signingInputStream, ret) = GetPeStream(metadataDiagnostics, peStreamProvider, metadataOnly)

Answer 1

您可以使用以下元组语法在单行中进行初始化和分配。

Dim x As Tuple(Of Stream, Stream, Stream)= New Tuple(of Stream,Stream,Stream)(str1,str2,str3)

重要 : 确保你有 str1 , str2和 str3在上面的直接赋值之前实例化并赋值给值