Closes the RTF writer. Once closed no more content can be written. <b>NOTE:</b> <code>toString()</code> does not return a valid RTF string until <code>close()</code> has been called.
See Implementation
Closes the RTF writer. Once closed no more content can be written. <b>NOTE:</b> <code>toString()</code> does not return a valid RTF string until <code>close()</code> has been called.