VB之中英文混合字符串对齐的方法

C#语言之“中英文混合字符串对齐”的方法【转】
https://www.cnblogs.com/Pickuper/articles/2059139.html

Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim S1 As String = "图纸名称1"
        Dim NewS1 As String = PadRightEx(S1, 20, "  ")'用占位符号比较好
        Dim S2 As String = "名称A"
        Dim NewS2 As String = PadRightEx(S2, 20, "  ")
        Dim s3 As String = NewS1 & S1 & vbCrLf & NewS2 & S2 & vbCrLf
        MsgBox(s3)
    End Sub
    Private Function PadLeftEx(ByVal str As String, ByVal totalByteCount As Integer, ByVal c As Char) As String
        Dim coding As System.Text.Encoding = System.Text.Encoding.GetEncoding("gb2312")
        Dim dcount As Integer = 0
        For Each ch As Char In str.ToCharArray()
            If coding.GetByteCount(ch.ToString()) = 2 Then
                System.Math.Max(System.Threading.Interlocked.Increment(dcount), dcount - 1)
            End If
        Next
        Dim w As String = str.PadRight(totalByteCount - dcount, c)
        MsgBox(w.Length)
        Return w
    End Function
    Private Function PadRightEx(ByVal str As String, ByVal totalByteCount As Integer, ByVal c As Char) As String
        Dim coding As System.Text.Encoding = System.Text.Encoding.GetEncoding("gb2312")
        Dim dcount As Integer = 0
        For Each ch As Char In str.ToCharArray()
            If coding.GetByteCount(ch.ToString()) = 2 Then
                dcount = dcount + 2
            Else
                dcount = dcount + 1
                'System.Math.Max(System.Threading.Interlocked.Increment(dcount), dcount - 1)
            End If
        Next
        MsgBox(dcount)
        Dim w As String = str.PadRight(totalByteCount - dcount, c)
        MsgBox(w.Length)
        Return w
    End Function
End Class