在应用程序中创建自动化宏支持

I need to get an automation macro like thing within our desktop application. The desktop app will probably be in VB.NET or C#.net. The reason is to enable the user to record and replay certain tasks that they'd like to automate. Something like macros within office apps and visual studio. The first thing that comes to my mind is VBA. I need to get an automation macro like thing wi