An edit field that is designed to display and accept multiple lines of text.
Adjust the number of rows of text to display (this will affect display size).
void SetRowCount(int rows);
int GetRowCount() const;
Set whether there should be a vertical scroll bar.
void SetVerticalScrollBar(bool usesVScroll);
bool GetVerticalScrollBar() const;
Configure the Enter key button behaviour - by default the enter key completes the editing of a field.
void AllowEnterKeyToProduceNewLine(bool allow);
bool EnterKeyProducesNewLine () const;