AutoFlowchart is a excellent source code flowcharting tool to generate flowchart from source code. Its flowchart can expand and shrink. and you can pre-define the the width , height,Horizontal spacing and vertical spacing. Move and zoom is also very easy. It can export the flowchart as a Microsoft Word file or a bitmap file. It can help programmers understand, document and visualize source code.

It supports C,C++,VC++(Visual C++ .NET),Delphi(Object Pascal).

Maybe it can help you!
MAIN FEATURES:
auto generate flowchart from sourcecode
export the flowchart as Ms Word file
expand and Shrink the flowchart
format the source code
pre-define the base size of the flowchart block
zoom and move the flowchart freely
export the flowchart as a bitmap