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(35)在C盘当前文件夹下有一个已经建立好的顺序文件Alph.txt,文件内容为只含有字母的一个字符去、串(有双引号界定符)。单击窗体,打开Alph.txt文件,读取字符串显示在文本框Text1中,最后将重新排列的字符串存入AipO.txt文件中(无双引号界定符)。请选择横线处合适的语句  

         Private Sub Fom_Load()

           Dim StrIn As String,StrOut As String

         Open"C/:Alph.txt"For Input As#1

       ______

         Close

         Text1.Text=StrIn

                   ______

         Text2.Text=StrOut

         Open"C/:AlpO.txt"For Output As#2

       ______

         Close       

           End Sub

           Private Function StrSort(s As String)As String

           Dim sArr()As String*1,i As Integer,j As Integer,n As Integer

           Dim t As String*1

         n=Lem(s)

         Redim sArr(n)

         For i=1 To n

       sArr(i)=Mid(s,i,1)

         Next i

         For i=1 To n-1

       For j=i+1 To n

           If sArr(i)>sArr(j)Then

          t=sArr(i):sArr(i)=sArr(j):sArr(j)=t

           End If

       Next j,i

       For i=1 To n

      StrSort=StrSort&sArr(i)

       Next i

           End Function

  • A.Input#1,StrIn  StrIn  Print#2,StrOut 
  • B.Input#1,StrIn  StrOut(StrIn)  Print#2,StrOut
  • C.Input#2,StrIn  StrOut(StrIn)  Print#1,StrOut
  • D.Input#1,StrIn  StrOut(StrIn)  Input#2,StrOut
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