microsoft ui automation doubt

Hello All,
I had just Started working on Microsoft UI automation .It's pretty confusing to me as such there is no article and tutorial for doing stuff in C++.I learned Couple of things .SO at this time i am able to perform automation like button control etc. But now i have a grid Control which contain list control combo box check box etc and i have to perform automation on this and i have no idea how to proceed i will appreciate if anyone can help me to resolve this problem.

Thanks