8 Queens Problem Solver

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Change Log

• Provided work-around for Delphi's Alt key bug on XP and Vista (CodeGear Quality Central bug report #374030).
• Changed to make application minimisation, task bar preview window, and appearance in "Flip 3D" task switching display correctly on Windows Vista.
• Added support for default operating system font and adjusted controls for larger Vista Segoe font.
• Updated manifest resource to ensure compatibility with Windows Vista. Continued to use themes.
• Some minor refactoring of calculation engine.
• Revised install script to use macros.

• Revised main form so that only chess board itself is redrawn when we need to update it, rather than whole form.
• Corrected and rephrased some prompt text.
• Added new batch file to build program.
• Created new installer using Inno Setup.
• Changed to new end user license agreement for the executable program. The program remains open source.

• Converted to 32 bit Windows with XP theme support.
• Redesigned main window.
• Redesigned solution engine as state machine with facility to reset the engine to enable all solutions to be found again.
• Added facility to restart finding of solutions.
• Added ability to automatically show solutions as a "slide show".
• Removed Windows help file and replaced with context sensitive prompts displayed in main window.
• Added link to DelphiDabbler.com.
• Changed to Mozilla Public License.

• Major re-write from v2.0.
• Main user interface redesigned to appear as a dialog box.
• The queens on the chessboard now appear as images of chess pieces rather than blobs.
• Help system added which tells how to use the program and also how the problem was solved. Help file also includes the full source code.
• About box added which reads its information from a version information resource included in the program file.
• Problem solution engine re-written in an object oriented way.

• Added application title to project file.
• Added custom program icon.
• Removed design-time caption from form and set caption at run-time to be same as application title.

• Total rewrite as Windows 3.1 program - compiled with Delphi 1.

• Original DOS version - compiled with Turbo Pascal.