How are inserted Bitmaps stored?

[Chuck Bruce]

When using Insert/Picture to insert a bitmap, I know that the data gets
compressed somehow, because the resultant .doc file is smaller than the
original bitmap. But what format is it stored in? JPG? GIF? Other?

Any help would be appreciated.

Also, I am trying to create a C++ program to read pixel information from the
screen (from which I create a bitmap) and load it into a Word document for
viewing and printing. Anyone know of any source code or guides to help me in
this process?

Again, thanks for any help.