1. File Input and Output Sequential Access Files

2. Format Function Syntax: –Format( expression, “format” ) Example: lblNumber.Caption = “You owe ” & Format(dblSum, "Currency") or picOutput.Print Format(dblAnswer, “Fixed”)

3. Built-in Numeric Formats General Number Currency Fixed Standard Percent Scientific

4. User-defined Number Formats 0 display digit or zero # display digit or nothing. decimal placeholder, thousands separator % percent - + $ display the literal character lblTaxes.Caption = Format(dblDollars,”$#,##0.00")

5. Sequential Access Files each record appears on a separate line fields are separated by commas "Jackets",45 "Hats",15 must be written and read in consecutive order files can be created with NotePad and stored as.txt files

6. File Access Statements Open statement to open the file Input statement to read from the file Write or Print statement to write to the file Close statement to close the file

7. Open Statement Enables input/output (I/O) to a file. Open pathname For mode As [#]filenumber Open ”a:\Data.txt" For Input As #1

8. Input Statement Reads data from an open sequential file and assigns the data to variables. Syntax: Input #filenumber, varlist Example: Input #1, strItem, intOrder

9. Write Statement Writes data to an open sequential file. Syntax: Write #filenumber, [outputlist] Example: Write #1, strItem, intOrder

10. Print Statement Writes display-formatted data to an open sequential file. Print #filenumber, [outputlist] Open “a:\data.txt" For Output As #1 Print #1, "This is a test" Print #1, Spc(5) ; "5 leading spaces " Print #1, “Hello”; Tab(10); “World!”

11. Close Statement Concludes input/output (I/O) to a file opened using the Open statement. Syntax: Close [filenumberlist] Example: Close #1 If you omit filenumberlist, all active files opened by the Open statement are closed.