Vb.net 在Visual Basic的GetChar中使用范围
换句话说，如何为字符串编制索引Vb.net 在Visual Basic的GetChar中使用范围,vb.net,indexing,Vb.net,Indexing,换句话说，如何为字符串编制索引 Dim foo as String = "Foobar" GetChar(foo, 2+3) 将返回'r'，但我希望它返回字符2到3；'ob'试试这个 Dim s As String = foo.Substring(2, 2) 试试这个 Dim s As String = foo.Substring(2, 2)
Dim foo as String = "Foobar"
GetChar(foo, 2+3)
Dim s As String = foo.Substring(2, 2)
Dim s As String = foo.Substring(2, 2)