Ming Lib Question

Hi,
I am working c++ version of the ming Library. I want to set a rigion on the frame sot hat when i will take the mouse on that rigion it will show some message. But i dont want to draw anything on that region. Just i want to set 4 co-ordinates and specify the region. How to do it?

Anyone worked on Ming Lib Can guide me on this?
[348 byte] By [rutu] at [2007-11-20 11:28:19]