有没有办法用Outlook 2007中的VSTO CustomTaskBar替换阅读窗格？

I have a custom task pane I've made in VSTO for Outlook 2007, but it needs a fair amount of screen real estate to be functional. I'd like to just take over the place of the Reading Pane, as it won't really be needed when this addon is active. It's also a really great spot since this addon relies on drag-and-drop from mail folders to this task pane, and the closer I can get it to the folder pane, the better.I have a custom task pane I've made in VSTO for