VB.Net Tutorial/Data Type/String Pad

Материал из VB Эксперт
Версия от 12:54, 26 мая 2010; Admin (обсуждение | вклад) (1 версия)
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PadLeft, PadRight and PadCenter

Public Class Tester
    Public Shared Sub Main
        Dim content1 As String
        Dim content2 As String
        Dim content3 As String
        Dim content4 As String
        content1 = "Not padded"
        content2 = "PadLeft".PadLeft(50)
        content3 = "PadRight".PadRight(50)
        content4 = "PadCenter"
        content4 = content4.PadLeft((50 + _
           content4.Length) \ 2).PadRight(50)
        Console.WriteLine(String.Format("{0}{4}{1}{4}{2}{4}{3}", _
           content1, content2, content3, content4, vbNewLine))    
    End Sub

End Class
Not padded
                                           PadLeft
PadRight
                    PadCenter

PadLeft, PadRight and PadCenter with dot

Public Class Tester
    Public Shared Sub Main
        Dim content1 As String
        Dim content2 As String
        Dim content3 As String
        Dim content4 As String
        content1 = "Not padded"
        content2 = "PadLeft".PadLeft(50, "."c)
        content3 = "PadRight".PadRight(50, "."c)
        content4 = "PadCenter"
        content4 = content4.PadLeft((50 + content4.Length) \ 2, _
           "."c).PadRight(50, "."c)
        Console.WriteLine(String.Format("{0}{4}{1}{4}{2}{4}{3}", _
           content1, content2, content3, content4, vbNewLine))  
    End Sub

End Class
Not padded
...........................................PadLeft
PadRight..........................................
....................PadCenter.....................

String.Pad

public class Test
   public Shared Sub Main
        Dim strLeftPad, strRightPad As String
        strLeftPad = "[" & "Visual Basic Express".PadLeft(28) & "]"
        strRightPad = "[" & "Visual Basic Express".PadRight(28) & "]"
        Console.WriteLine(strLeftPad & vbCrLf & strRightPad)
        strLeftPad = "[" & "Visual Basic Express".PadLeft(28, "@") & "]"
        strRightPad = "[" & "Visual Basic Express".PadRight(28, ".") & "]"
        Console.WriteLine(strLeftPad & vbCrLf & strRightPad)
   End Sub
End class
[        Visual Basic Express]
[Visual Basic Express        ]
[@@@@@@@@Visual Basic Express]
[Visual Basic Express........]