Bug 63255 [Preferences] some pages cannot be displayed in high contrast
STEPS 1) Switch to High Contrast by selecting Window->Control Panl->Accessibility Resources 2) Start Eclipse 3) Open the preferences page 4) Select Colors and Fonts 5) Select a diffrent page 6) new page not displayed.
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferenceDialog.java
node.createPage();
		if (node.getPage() == null)
			return false;
		IPreferencePage newPage = node.getPage();
		if (newPage == currentPage)
			return true;
		if (currentPage != null) {
			if (!currentPage.okToLeave())
				return false;
		}
		IPreferencePage oldPage = currentPage;
		currentPage = newPage;
		
		currentPage.setContainer(this);
		
		
		if (currentPage.getControl() == null) {
			final boolean[] failed = {false};
			Platform.run(new ISafeRunnable() {
				public void handleException(Throwable e) {
					failed[0] = true;
				}
				public void run() {
					currentPage.createControl(pageContainer);
				}
			});
			if (failed[0])
				return false;