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Programming

Dim hogen As New Hashtable

   Private Sub Button1_Click(ByVal sender As System.Object, 
ByVal e As System.EventArgs) Handles Button1.Click
       Dim str1 As String
       Dim str2(1) As String
       Dim myFile As String = "C:\TextFile1.txt"

       Try
           FileOpen(1, myFile, OpenMode.Input)
           Do Until EOF(1)
               str1 = LineInput(1)
               str2 = Split(str1, ",")
               hogen(str2(0)) = str2(1)
               'hogen.Add(str2(0), str2(1))
               'hogen.Item(str2(0), str2(1))
           Loop

       Catch ex As Exception

           MsgBox("読み込みエラー")
       Finally
           FileClose(1)
       End Try

End Sub

   Private Sub Button2_Click(ByVal sender As System.Object, 
 ByVal e As System.EventArgs) Handles Button2.Click
       Dim str = TextBox1.Text
       Label1.Text = str

       If hogen(str) <> "" Then
           Label2.Text = hogen(str)
       Else
           Label2.Text = "は見つかりませんでした"
       End If
 End Sub