Returns the composition text.
<p>
The text for an IME is the characters in the widget that
are in the current composition. When the commit count is
equal to the length of the composition text, then the
in-line edit operation is complete.
</p>
@return the widget text
@exception SWTException <ul>
<li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li>
<li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
</ul>
Returns the composition text. <p> The text for an IME is the characters in the widget that are in the current composition. When the commit count is equal to the length of the composition text, then the in-line edit operation is complete. </p>
@return the widget text
@exception SWTException <ul> <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> </ul>