// Adds each line of a DocEdit to an array
Array<String> DocEdit2Array(DocEdit& d)
{
	String s = d.GetData();
	Array<String> result;
	String line = "";
	for(int i = 0; i < s.GetLength(); i++)
	{
		if(s[i] != '\n')
			line += s[i];
		else
		{
			result.Add(line);
			line="";
		}
	}
	result.Add(line);
	return result;
}

// Event of button click to test the function

void test::ButtonClicked()
{
	Array<String> a = DocEdit2Array(docedit1);
	for(int i=0; i < a.GetCount(); i++)
	{
		DUMP(a.At(i));
	}
}

// assuming your LineEdit Ctrl is called myLineEditCtrl
// i will do something like this:


String tmpStr(myLineEditCtrl.Get());

tmpStr<<"\nThis is a new line";

myLineEditCtrl.Set(tmpStr);