Finishing the grid – keyboard support for arrow keys to manoeuvre, entering the numbers. The PreTranslateMessage function is to be used to intercept and respond to keyboard events.
Continuing from the fourth article about sudoku. …
The undo support, implementing a stack.
Continuing from the eigth article about sudoku.
We need a mechanism to keep track of the digits entered so as to implement an undo mechanism. This should be a ‘Last In First Out’ collec…