/// <summary>
/// Parse the board starting state from a text file and init the board object
/// </summary>
/// <param name="FilePath">The file containing the puzzle</param>
public Boolean Load(string FilePath)
{
//ensure file exists
try
{
if (File.Exists(FilePath))
{
//open file
using (StreamReader sr = File.OpenText(FilePath))
{
string text = "";
int r = 1, c = 1;
//while the first 9 rows have data
while ((text = sr.ReadLine()) != null && r < 10)
{
//process the first 9 chars
while (c < 10)
{
foreach (char value in text)
{
//for non 0 values
if (value != 'X')
{
//get cell and set value
Cell cell = Cells.Single(x => x.Row == r && x.Col == c);
cell.SetValueFromChar(value);
//Remove value possibility from other cells
PropagateValue(cell);
}
c++;
}
}
c = 1; //reset column number and go to next row
r++;
}
}
}
else
{
Console.Write("The input file " + FilePath + " was not found.");
return(false);
}
return(true);
}
catch (Exception e)
{
Console.WriteLine("An error has occurred loading the board: " + e.InnerException + ". Please try a different puzzle.");
return(false);
}
}