将app.config与类库一起使用

Frequently I need to create a .Net class library that requires an app.config for things such as database connection strings. However, these settings must be in the calling application's app.config or web.config. If I want to distribute the DLL across multiple applications it becomes a pain because I have to copy these settings into each the application's app.config.Frequently I need to create a .Net class librar