Busy Plug-in

This is a Smart Client plugin which blocks user entry to a screen and displays a status message with optional cancel button.  It is intended for use when running a method or process that will take very long, and you want to give the user some UI feedback. This plugin is also open-source. 

Features:

• Provides busy cursor, blocking user input, and darkening the screen (glass pane) with a message.
• The glass pane can be optionally turned off.
• Can add a cancel button

Price: FREE
Download: Download Plug-In
Source Code: Google Code