//Form Methods
private bool OpenSudokuFile()
{
//Read a .txt file containing the sudoku puzzle.
OpenFileDialog dialog = new OpenFileDialog();
dialog.Filter = "Text |*.txt";
DialogResult result = dialog.ShowDialog();
if (result == DialogResult.OK)
{
FileStream fs = (FileStream)dialog.OpenFile();
StreamReader reader = new StreamReader(fs);
string boardSize = reader.ReadLine();
int size;
switch (boardSize)
{
case "4x4":
size = 4;
break;
case "6x6":
size = 6;
break;
case "9x9":
size = 9;
break;
default:
//Crazy size. We can't handle that.
size = 0;
StatusLabel.Text = String.Format("Error, can't make a {0} board.", boardSize);
StatusLabel.ForeColor = Color.Red;
StatusLabel.Visible = true;
return(false);
}
_board = new GameBoard(size);
while (!reader.EndOfStream)
{
//Read the 'locked' tiles from the file.
string tileLine = reader.ReadLine();
string[] tileDetails = tileLine.Split(new[] { " " }, StringSplitOptions.RemoveEmptyEntries);
try {
_board.SetUpTile(Convert.ToInt32(tileDetails[0]), Convert.ToInt32(tileDetails[1]), Convert.ToInt32(tileDetails[2]), true);
} catch {
//The file was not correct.
StatusLabel.Text = "Error: The File Could Not Be Read";
StatusLabel.Visible = true;
StatusLabel.ForeColor = Color.Red;
reader.Close();
return(false);
}
}
reader.Close();
}
else
{
//User cancelled finding a file, bad user.
return(false);
}
return(true);
}
