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.

AutoFlowchart will support Delphi(Object Pascal), C, C++, VC (Visual C.NET).