Hi,You can use below function to calculate the no of lines in the Text
field dynamically.import mx.controls.textClasses.TextRange; import
flash.text.TextField; private function calculateNoOfLines():int { var
tr2:TextRange = new TextRange(_text, true, 0,_text.text.length-1);
tr2.text = _text.text; _text.invalidateSize();
_text.invalidateDisplayList(); _text.invalidateProperties(); var
contentTextField:TextField = _text.mx_internal::getTextField(); var
nLines:int = contentTextField.numLines; var l...