错误：表达式不会产生值

Question

当我尝试连接组件时，我收到此错误：

  

表达式不会产生值。

代码：

Public Class Form1
    Sub DevComponents()
        Using DevComponents.DotNetBar()

        End Using
    End Sub
End Class

Answer 1

Your Using directive expects an object. Whatever DotNetBar() returns, it isn't an object. Here's an example:

Using resource As New resourceType   
    ' Insert code to work with resource.  
End Using