World rivers quiz (Geography1).
Description: Geography quiz, concerning the longest rivers of the world. The user may choose between the following kinds of quiz questions:
- River length
- Drainage area
- Average discharge
- River outflow
- River continent
- Drainage countries.
In general, the answer may be chosen from of a list. For the outflow, manual entry (requiring more Geography knowledge) is also possible. For the drainage countries, the user has to choose the correct ones from 5 countries, proposed by the program (from 0 to 5 of which may be correct answers).
Free Pascal features: Re-arranging, showing and hiding form controls during run-time. Filling comboboxes and changing
checkbox labels during run-time. Reading text files (classic Pascal). Complex data types (classic Pascal).