Sets the input method editor mode to the argument which
should be the result of bitwise OR'ing together one or more
of the following constants defined in class <code>SWT</code>:
<code>NONE</code>, <code>ROMAN</code>, <code>DBCS</code>,
<code>PHONETIC</code>, <code>NATIVE</code>, <code>ALPHA</code>.
@param mode the new IME mode
@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>
Sets the input method editor mode to the argument which should be the result of bitwise OR'ing together one or more of the following constants defined in class <code>SWT</code>: <code>NONE</code>, <code>ROMAN</code>, <code>DBCS</code>, <code>PHONETIC</code>, <code>NATIVE</code>, <code>ALPHA</code>.
@param mode the new IME mode
@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>
@see SWT