Invokes platform specific functionality to dispose a GC handle. <p> <b>IMPORTANT:</b> This method is <em>not</em> part of the public API for <code>Drawable</code>. It is marked public only so that it can be shared within the packages provided by SWT. It is not available on all platforms, and should never be called from application code. </p>
Invokes platform specific functionality to allocate a new GC handle. <p> <b>IMPORTANT:</b> This method is <em>not</em> part of the public API for <code>Drawable</code>. It is marked public only so that it can be shared within the packages provided by SWT. It is not available on all platforms, and should never be called from application code. </p>
Implementers of <code>Drawable</code> can have a graphics context (GC) created for them, and then they can be drawn on by sending messages to their associated GC. SWT images, and device objects such as the Display device and the Printer device, are drawables. <p> <b>IMPORTANT:</b> This class is <em>not</em> part of the SWT public API. It is marked public only so that it can be shared within the packages provided by SWT. It should never be referenced from application code. </p>
@see Device @see Image @see GC