Anyway to get the size of the data in the field??
--- Richard Burmeister <[EMAIL PROTECTED]> wrote:
> > From: Johnathan Smith
> >
> > I am new to palm programming I have a form with 3
> > textfields on it and one button. if the user
> clicks on
> > the button I would like to take the value from
> field1
> > and field2 and but the total into field3. Can
> someone
> > please show me some sample code on how to read
> data
> > from the textfields, do total and then display the
> > data. Thanks
> >
>
> To get text from a field (some untested code):
>
> Char text[SIZE];
> FormPtr frmP = FrmGetActiveForm();
> FieldType * fldP = FrmGetObjectPtr( frmP,
> FrmGetObjectIndex( frmP,
> TheField ) );
> StrCopy( text, FldGetTextPtr( fldP ) );
>
> To total two fields, convert them to numbers (e.g.,
> with StrAToI), then add
> them together, then convert the result to a string
> (e.g. with StrPrintF).
>
> To display the data in a non-editable field, use
> FldSetTextPtr().
>
> This should be more than enough to get you started.
> Next, you should read a
> book on Palm OS Programming. See
> http://www.palmos.com/dev/tech/docs/other.html .
>
>
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