private bool CheckMoveMade(int row, int column, int number, SudokuPattern pattern)
{
if (this.Moves.Count == 0)
{
return(false);
}
int count = 0;
foreach (SudokuMove move in this)
{
count++;
int nextCount = 0;
foreach (SudokuMove nextMove in this)
{
nextCount++;
if (Object.ReferenceEquals(move, nextMove))
{
continue;
}
if (SudokuSolver.Compare(move.Rows, nextMove.Rows) && SudokuSolver.Compare(move.Columns, nextMove.Columns) && SudokuSolver.Compare(move.Numbers, nextMove.Numbers) && move.Pattern == nextMove.Pattern)
{
return(true);
}
}
}
foreach (SudokuMove move in this)
{
if (move.Pattern == pattern && move.Rows.Contains(row) && move.Columns.Contains(column) && move.Numbers.Contains(number))
{
return(true);
}
}
return(false);
}