getStringWidth

Returns the width (in pixels) for showing the 'text' on display in the current font.

  var text: string;
     width: integer;
  begin
    text  := 'Text to display';
    width := getStringWidth(text);
    drawText(text, (getWidth - width)/2, 0);
    repaint;
    delay(1000);
  end.

See also: getStringHeight, getWidth, getHeight, repaint