Conclusion
The purpose of this chapter is to simplify command bar building in your applications to save time and allow you to focus more effort on good design. To assist in that effort, we've covered a number of best practice design principles that you should follow. Command bars are the user's entry point into your application. Make them easy to discover, use and remember.
We've introduced you to a table-driven command bar building methodology that will remove most of the work associated with building and maintaining command bars for your application. We've shown you how to create custom icon and mask pictures that enable you to avoid the problems associated with divergent appearance of custom command bar button icons among various current versions of Excel. We've also explained how to hook the events generated when the user clicks command bar controls so that you can control the behavior of those controls in a more granular fashion.
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