private char GetCellCharacter(BoardCell cell)
{
if (cell.IsMarked)
{
return('X');
}
if (!cell.IsRevealed)
{
return('.');
}
if (cell.HasMine)
{
return('*');
}
if (cell.MineCount == 0)
{
return(' ');
}
return(cell.MineCount.ToString()[0]);
}