Sub ReadTextReader
Dim TextReader1 As TextReader
Try
TextReader1.Initialize(File.OpenInput(File.DirInternal, "connection_setting.txt"))
ip_number_input.Text = TextReader1.ReadLine
port_number_input.Text = TextReader1.ReadLine
TextReader1.Close
Catch
Dim TextWriter1 As TextWriter
TextWriter1.Initialize(File.OpenOutput(File.DirInternal, "connection_setting.txt", False))
TextWriter1.WriteLine("192.168.1.1")
TextWriter1.WriteLine("2000")
TextWriter1.Close
Msgbox("Save file created","Create Save File")
End Try
End Sub