[导入]【实用代码】VB.NET中转换全半角字符的函数

Public Function ToSBC()Function ToSBC(ByVal input As String) As String '转全角
        Dim c As Char() = input.ToCharArray
Dim i As Integer = 0
While i < c.Length
If c(i) = ChrW(32) Then
c(i) = ChrW(12288)
ElseIf AscW(c(i)) < 127 Then
c(i) = ChrW((AscW(c(i)) + 65248))
End If
System.Math.Min(System.Threading.Interlocked.Increment(i), i - 1)
End While
Return New String(c)
End Function
Public Function ToDBC()Function ToDBC(ByVal input As String) As String '转半角

Dim c As Char() = input.ToCharArray
Dim i As Integer = 0
While i < c.Length
If AscW(c(i)) = 12288 Then
c(i) = ChrW(32)
ElseIf AscW(c(i)) > 65280 AndAlso AscW(c(i)) < 65375 Then
c(i) = ChrW(AscW(c(i)) - 65248)
End If
System.Math.Min(System.Threading.Interlocked.Increment(i), i - 1)
End While
Return New String(c)
End Function

文章来源:http://mobile.winfans.net/ccs/blogs/dindin/archive/2006/05/24/587.aspx