本示例展示了如何在VB.NET中使用PadLeft和PadRight方法为字符串左侧和右侧填充字符，以达到指定长度。PadLeft方法在字符串左侧填充字符以确保整个字符串达到指定的最小长度；PadRight方法则在字符串右侧填充字符。
Private Sub btnPadLeft_And_PadRight_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPadLeft_And_PadRight.Click
Dim str As String = "coperator"
Dim strPadLeft As String = ""
Dim strPadRight As String = ""
strPadLeft = str.PadLeft(10, "@")
strPadRight = str.PadRight(10, "@")
MsgBox(strPadLeft & vbCrLf & strPadRight)
End Sub
Dim str As String = "coperator"
Dim strPadLeft As String = ""
Dim strPadRight As String = ""
strPadLeft = str.PadLeft(10, "@")
strPadRight = str.PadRight(10, "@")
MsgBox(strPadLeft & vbCrLf & strPadRight)
End Sub
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