Module: PhoneButtonLetters in Category General VBA/VB6 : String Handling from Total Visual SourceBook

Convert between phone numbers and their corresponding button letters using VBA and VB6.

Procedure Name Type Description
(Declarations) Declarations Declarations and private variables for the modPhoneButtonLetters module.
PhoneLettersToDigits Procedure Get the numbers for each letter in a string.
PhoneLetterToButton Procedure Find the number of the button on the phone pad for a letter.
PhoneNumberToLetters Procedure Get the letters for each number in the string.
PhoneNumberToLetter Procedure Find the letters for a number on the phone pad.
' Example of modPhoneButtonLetters
' To use this example, create a new module and paste this code into it.
' Then run the procedure by putting the cursor in the procedure and pressing:
'    F5 to run it, or
'    F8 to step through it line-by-line (see the Debug menu for more options)

Private Sub Example_modPhoneButtonLetters()
  ' Comments: Examples of using the modPhoneButtonLetters module to convert phone number buttons and letters in VBA and VB6.
  '           See the results in the Immediate Window.

  Const cstrPhone As String = "703-356-4700"
  Dim intChar As Integer

  ' Display the letters for a phone number.
  ' In this one, the buttons with no letters are skipped (e.g. PQRS DEF DEF JKL MNO GHI PQRS)
  Debug.Print "Letters for phone number " & cstrPhone & ": " & PhoneNumberToLetters(cstrPhone)

  ' In this one, the buttons with no letters are included with their original number (e.g. PQRS 0 DEF DEF JKL MNO GHI PQRS 0 0)
  Debug.Print "Letters for phone number for all digits " & cstrPhone & ": " & PhoneNumberToLetters(cstrPhone, True)

  Debug.Print "Phone letters for each button:"
  For intChar = 0 To 9
    Debug.Print intChar & ":" & PhoneNumberToLetter(intChar) & " ";
  Next intChar

  Debug.Print "Phone button for each letter:"
  For intChar = Asc("A") To Asc("Z")
    Debug.Print Chr(intChar) & ":" & PhoneLetterToButton(Chr(intChar)) & " ";
  Next intChar

End Sub

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