Question

我有这段代码：

   Dim iwidth As Integer? = 125
   Dim iheight As Integer? = 45
   Recs.Add(New With {Key .URLSmallPic = "/EditorImage/BBM4.jpg", Key .URL = "#", Key .Width = iwidth, Key .Height = iheight})

Recs是一个List变量。第三个和第四个参数是可空的（整数）。如何制作单行代码，而不声明iwidth和iheight变量？

Answer 1

按要求回答你的问题：

Recs.Add(New With {Key .URLSmallPic = "/EditorImage/BBM4.jpg",
                   Key .URL = "#",
                   Key .Width = New Nullable(Of Integer)(125),
                   Key .Height = New Nullable(Of Integer)(45)})

将nullable（整数）传递给sub或function

1 个答案: