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Letters To Numbers Sample Code Snippet
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TeleTools |
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This sample code snippet demonstrates how to convert
the letters on a phone
keypad to the numbers that correspond to them. For example, 1-800-Get
New Info would translate to... ' 1-800-438-639-4636.
Requirements
The Delphi version is just a snippet with instructions on how to use
it. The VB snippet has a project for you to download.
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VB Code
Snippet
Delphi Code Snippet
Development
Environment Technical Information
Telephony Hardware
Technical Information
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This VB code snippet shows how to create a
function that will automatically convert phone number with alphabetic
(letters) characters in the name. A simple form with 2 text boxes,
one to hold the number you wish to convert, a second to hold the converted
number, and a Command button to execute the function |
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The Delphi example is a clever way to modify the
actual editbox that you are typing in. As you type a number
with letters, it is automatically converted and displayed. In
other words, we aren't using a "enter your text here" box
and then displaying it in a "result" box. We turn
off the Notify event for the SharedPhoneNumberChange editbox and
then move the cursor along the text path changing any letters to
their corresponding dialpad number.
To compile this in a simple sample application, just
add an editbox control to a form, name it "SharedEditPhoneNumber"
and double click on it. Then just copy and paste the code
below into the SharedEditPhoneNumberChange procedure it
creates. When you run the program, type in a phone number like
1-800-Buy-TeleTools and watch what happens. |
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