Bug 137315 [Dialogs] Doubleclickable area to restore dialog size is often very small
bundles/org.eclipse.jface/src/org/eclipse/jface/dialogs/Dialog.java
}
		
		removeRestoreSizeMouseListeners();
		boolean returnValue = super.close();
		if (returnValue) {
			buttons = new HashMap();
			buttonBar = null;
			dialogArea = null;
		}
		return returnValue;
	}
	/**
	 * Applies the dialog font to all controls that currently have the default
	 * font.
	 * 
	 * @param control
	 *            the control to apply the font to. Font will also be applied to
	 *            its children. If the control is <code>null</code> nothing
	 *            happens.
	 */
	public static void applyDialogFont(Control control) {
		if (control == null || dialogFontIsDefault()) {
			return;
		}
		Font dialogFont = JFaceResources.getDialogFont();
		applyDialogFont(control, dialogFont);
	}
	/**
	 * Sets the dialog font on the control and any of its children if thier font
	 * is not otherwise set.