Bug 93176 [JFace] Window.getDefaultOrientation() is marked as experimental
build I20050426 Window.getDefaultOrientation states: * <strong>NOTE</strong> This API is experimental and may * be subject to change during the development cycle for * Eclipse 3.1. Should address for M7.
bundles/org.eclipse.jface/src/org/eclipse/jface/window/Window.java
}
    
    /**
     * Creates a new window which will create its shell as a child of whatever
     * the given shellProvider returns.
     * 
     * @param shellProvider object that will return the current parent shell. Not null.
     * 
     * @since 3.1
     */
    protected Window(IShellProvider shellProvider) {
        Assert.isNotNull(shellProvider);
        this.parentShell = shellProvider;   
    }
	/**
	 * Determines if the window should handle the close event or do nothing.
	 * <p>
	 * The default implementation of this framework method returns
	 * <code>true</code>, which will allow the
	 * <code>handleShellCloseEvent</code> method to be called. Subclasses may
	 * extend or reimplement.
	 * </p>
	 * 
	 * @return whether the window should handle the close event.
	 */
	protected boolean canHandleShellCloseEvent() {
		return true;
	}
	/**
	 * Closes this window, disposes its shell, and removes this window from its