FlowchartImage is a VCL component can generate flowchart from source code. It add a "LoadFromSource" procedure.You can use the procedure generate flowchart.
It add "OnMouseIn" and "OnMouseOut" procedure,you can use it to inspect the position of your mouse.
It supports D5,D6,D7.
I hope it can help you!

ESB Professional Computation Suite (ESBPCS) is a collection of over 6000 routines/methods and over 235 classes/components in over 140 units for Embarcadero (formerly CodeGear/Borland) Delphi 7, 2005/Win32, 2006/Win32, 2007/Win32, 2007, 2009, 2010 and C++ Builder 2006, 2007, 2009, 2010, Borland Turbo Delphi Professional for Win32 and Borland Turbo C++ Professional for Win32, CodeGear RAD Studio 2007 (Win32 Personalities), CodeGear RAD Studio 2009, CodeGear RAD Studio 2010, which are aimed at making "data entry & manipulation easier" for Developers and their Customers.

ESBPCS is also available in several subsets: ESBPCS-Calcs, ESBPCS-Dates, ESBPCS-Stats, ESBPCS-Lite as well as the Full version. All versions include source upon registration.

Components included cover Integer Edits, Float Edits, Hex Edits, IP Address Edits, Percentage Edits, Date Edits, Time Edits, Date/Time Edits, Month Edits, Time Edits, Complex Edits, Fraction Edits, Currency Edits, Calculator Edits, Calendar Edits, Button Edits, Degree/Minute/Second Edits, Comboboxes, Month Comboboxes, Day of Week Comboboxes, Time Zone Comboboxes, Country Comboboxes, Duration Comboboxes, SpinEdits, Month SpinEdit, DOW SpinEdits, Duration SpinEdits, Currency SpinEdits, Vector Edits, Matrix Edits, Button Edits, Calculators (Scientific and Programmer’s), Calendars, Statistical Analysis, Labels, URL Labels, Math Labels, CheckBoxes, RadioGroups, CheckGroups, Memos, RichEdits and much more. As well, there are Data Aware versions of most of them.

Routines included cover Mathematics, Probability, Statistics, Complex Numbers, Fractions, Physics, Geometry, Astronomy, Longitude/Latitude, Unit Conversions, Strings, File IO, Registry, Financials, Country Lists, Holidays, Time Zones, Dates and Times, and much more.

Includes full source to all components and routines.

With Add-in Express for Office and VCL you can create powerful, fast and easy deployable plug-ins for all available Microsoft Office versions, including Office 2010, 2007, 2003, 2002 (XP) and Office 2000.

Add-in Express is completely based on the Rapid Application Development (RAD) paradigm which allows creating professional application-level Office plugins without coding their GUI. Also, Add-in Express provides your add-ins with version-neutrality, i.e. you write add-in code once and have it work transparently across Microsoft Office 2000 through 2010.

With visual designers of Add-in Express you can:

- Add your own or customizing existing toolbars, menus, sub-menus and pop-ups for Microsoft Office 2000, 2002 (XP), 2003 and 2007.
- Create new or customizing existing tabs for the Microsoft Office 2010 and 2007 Ribbon UI.
- Tune the Quick Access Toolbar and the Office Menu for Office 2007.
- Build the Backstage View for Office 2010.
- Develop custom task panes for Microsoft Office 2007 and 2010 applications.
- Customize Microsoft Outlook windows with sub-panes and form regions.
- Create application-level keyboard shortcuts.
- Add Outlook option and property pages.
- Intercept any built-in controls.
- Program Smart Tag recognizers and their actions.
- Develop Microsoft Excel RTD servers and their topics.

Your extensions developed with Add-in Express will work on all end-user applications from the Microsoft Office family: Outlook, Excel, Word, PowerPoint, Visio, Project, MapPoint, Publisher, Access, FrontPage and InfoPath. Add-in Express is developed in Delphi and directly supports Delphi 5 – 2010, including the Architect, Enterprise and Professional Delphi editions.

For more information about Add-in Express for Office and VCL please visit: http://www.add-in-express.com/add-in-delphi/