用于打开Web浏览器的C＃插件（如何添加打开特定网站的选项）

I asked this already but got no response. I have a plugin that opens internet explorer when clicked. I want to make it so that you can right click it or even go into some options menu, and change the default site loaded and have it save. The user wont have access to the source code to change the website that is opened so how can I do this?I asked this already but got no response. I hav