Returns true when the high contrast mode is enabled.
Otherwise, false is returned.
<p>
Note: This operation is a hint and is not supported on
platforms that do not have this concept.
</p>
@return the high contrast mode
@exception SWTException <ul>
<li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li>
<li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li>
</ul>
Returns true when the high contrast mode is enabled. Otherwise, false is returned. <p> Note: This operation is a hint and is not supported on platforms that do not have this concept. </p>
@return the high contrast mode
@exception SWTException <ul> <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> </ul>
@since 3.0