flowing strings on BMP image of SDI View window?

[C++ Programming]

Hi,
I'd like get some idea how to do it?

I displayed BMP image(full screen) in OnPaint fuction of SDI CView ********(it's OK );
I'd like to flow a strings over the BMP image form right-bottom to left-bottom.
it is just like subtitle on TV...



How can I approach it to do it?

because I'm VC beginner ... Any comment will help..



Have a day.