How to access boot sector of sd card?

Tech Tip: Click here to run a free scan for Windows Errors and optimize PC performance

Hi.
I'm beginner of Window Mobile programming.
I wanna read boot sector of sd card on Window Mobile machine.

for example, I can do that on Windows PC as following, if sd card is
"g:" drive, :

HANDLE hFile = CreateFile("\\\\.g\\: .......);

I can use ReadFile(hFile....), WriteFile(hFile....), SetFilePointer
(hFile....) and so on.

How can I do same work on Windows Mobile?
Please help me.
.