Bug 63420 [R21PRES] Flash on tab switch
bundles/org.eclipse.ui.presentations.r21/src/org/eclipse/ui/internal/presentations/R21EditorStackPresentation.java
}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.internal.skins.StackPresentation#selectPart(org.eclipse.ui.internal.skins.IPresentablePart)
	 */
	public void selectPart(IPresentablePart toSelect) {
		if (toSelect == current) {
			return;
		}
		if (current != null) {
			current.setVisible(false);
		}
		current = toSelect;
		if (current != null) {
			tabFolder.setSelection(indexOf(current));
			current.setVisible(true);
			setControlSize();
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.internal.skins.Presentation#setBounds(org.eclipse.swt.graphics.Rectangle)
	 */
	public void setBounds(Rectangle bounds) {
		tabFolder.setBounds(bounds);
		setControlSize();
	}
	/*