VB.Net Switch 语句

VB.Net Switch 语句

Select Case numColumns
    Case 0
        numColumns = numColumns + 1
        'Some code
    Case 1
        numColumns = numColumns + 1
        'Some different code
    Case 2
        numColumns = numColumns + 1
        'Some even more different code
    Case Else
        'Do Nothing
End Select

　　

Select Case numColumns
    Case 0 To 2
        numColumns = numColumns + 1
        'Some code
    Case Else
        'Do Nothing
End Select

　　

Select Case numColumns
    Case 0 To 2
        numColumns = numColumns + 1

        Select Case numColumns
            Case 0
                'Some code
            Case 1
                'Some different code
            Case 2
                'Some even more different code
        End Select
    Case Else
        'Do Nothing
End Select