bool AddClue(int x, int y, int n, CellFlags fx)
{
SudokuCandidate sc = (SudokuCandidate)solver.GetCandidate(x, y, n);
if (solver.TrySelectCandidate(sc))
{
// Add clue
flags[x, y] = fx;
values[x, y] = n;
Updated();
return(true);
}
else
{
// Clue cannot be added
return(false);
}
}