在winForms vb.net下，换行怎么连接啊？

[12345521]

我知道c＃中用＋号连接，vb.net中呢？
郁闷呢

[AntingZ]

Dim str As String
str = "first line." _
& "Second line." _
& "last Line"
MsgBox(str)

str = "first line" & ControlChars.CrLf & "Second line"
MsgBox(str)