public TextBox[,] GetTwoDimensionalTextBoxArray(Form form)
{
TextBox[] array = GetOneDimensionalTextBoxArray(form);
TextBox[,] array2d = new TextBox[9, 9];
int arrayCount = 0;
for (int row = 0; row < 9; row++)
{
for (int column = 0; column < 9; column++)
{
if (arrayCount < 81)
{
int boxIndex = GetBoxIndex(row, column);
array[arrayCount].Tag = new SudokuTextBox()
{
Row = row, Column = column, BoxIndex = boxIndex
};
array2d[row, column] = array[arrayCount];
array2d[row, column].TextChanged += (sender, EventArgs) =>
{
if (handlersOn)
{
TextBox textbox = sender as TextBox;
SudokuTextBox information = textbox.Tag as SudokuTextBox;
bool passed = CheckEntry(information.Row, information.Column);
if (!passed)
{
SudokuGrid[information.Row, information.Column].ForeColor = Color.Red;
}
else
{
SudokuGrid[information.Row, information.Column].ForeColor = Color.Black;
}
}
};
++arrayCount;
}
}
}
return(array2d);
}
public bool CheckBox(int row, int column)
{
if (handlersOn)
{
TextBox source = SudokuGrid[row, column];
SudokuTextBox information = source.Tag as SudokuTextBox;
switch (information.BoxIndex)
{
case 0:
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
TextBox textbox = SudokuGrid[i, j];
if (row != i || column != j)
{
if (source.Text == textbox.Text && !string.IsNullOrWhiteSpace(source.Text))
{
return(false);
}
}
}
}
break;
case 1:
for (int i = 0; i < 3; i++)
{
for (int j = 3; j < 6; j++)
{
TextBox textbox = SudokuGrid[i, j];
if (row != i || column != j)
{
if (source.Text == textbox.Text && !string.IsNullOrWhiteSpace(source.Text))
{
return(false);
}
}
}
}
break;
case 2:
for (int i = 0; i < 3; i++)
{
for (int j = 6; j < 9; j++)
{
TextBox textbox = SudokuGrid[i, j];
if (row != i || column != j)
{
if (source.Text == textbox.Text && !string.IsNullOrWhiteSpace(source.Text))
{
return(false);
}
}
}
}
break;
case 3:
for (int i = 3; i < 6; i++)
{
for (int j = 0; j < 3; j++)
{
TextBox textbox = SudokuGrid[i, j];
if (row != i || column != j)
{
if (source.Text == textbox.Text && !string.IsNullOrWhiteSpace(source.Text))
{
return(false);
}
}
}
}
break;
case 4:
for (int i = 3; i < 6; i++)
{
for (int j = 3; j < 6; j++)
{
TextBox textbox = SudokuGrid[i, j];
if (row != i || column != j)
{
if (source.Text == textbox.Text && !string.IsNullOrWhiteSpace(source.Text))
{
return(false);
}
}
}
}
break;
case 5:
for (int i = 3; i < 6; i++)
{
for (int j = 6; j < 9; j++)
{
TextBox textbox = SudokuGrid[i, j];
if (row != i || column != j)
{
if (source.Text == textbox.Text && !string.IsNullOrWhiteSpace(source.Text))
{
return(false);
}
}
}
}
break;
case 6:
for (int i = 6; i < 9; i++)
{
for (int j = 0; j < 3; j++)
{
TextBox textbox = SudokuGrid[i, j];
if (row != i || column != j)
{
if (source.Text == textbox.Text && !string.IsNullOrWhiteSpace(source.Text))
{
return(false);
}
}
}
}
break;
case 7:
for (int i = 6; i < 9; i++)
{
for (int j = 3; j < 6; j++)
{
TextBox textbox = SudokuGrid[i, j];
if (row != i || column != j)
{
if (source.Text == textbox.Text && !string.IsNullOrWhiteSpace(source.Text))
{
return(false);
}
}
}
}
break;
case 8:
for (int i = 6; i < 9; i++)
{
for (int j = 6; j < 9; j++)
{
TextBox textbox = SudokuGrid[i, j];
if (row != i || column != j)
{
if (source.Text == textbox.Text && !string.IsNullOrWhiteSpace(source.Text))
{
return(false);
}
}
}
}
break;
default:
return(false);
}
return(true);
}
else
{
string source = SolvedSudokuGrid[row, column];
SudokuTextBox information = SudokuGrid[row, column].Tag as SudokuTextBox;
switch (information.BoxIndex)
{
case 0:
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
string currentText = SolvedSudokuGrid[i, j];
if (row != i || column != j)
{
if (source == currentText && !string.IsNullOrWhiteSpace(source))
{
return(false);
}
}
}
}
break;
case 1:
for (int i = 0; i < 3; i++)
{
for (int j = 3; j < 6; j++)
{
string currentText = SolvedSudokuGrid[i, j];
if (row != i || column != j)
{
if (source == currentText && !string.IsNullOrWhiteSpace(source))
{
return(false);
}
}
}
}
break;
case 2:
for (int i = 0; i < 3; i++)
{
for (int j = 6; j < 9; j++)
{
string currentText = SolvedSudokuGrid[i, j];
if (row != i || column != j)
{
if (source == currentText && !string.IsNullOrWhiteSpace(source))
{
return(false);
}
}
}
}
break;
case 3:
for (int i = 3; i < 6; i++)
{
for (int j = 0; j < 3; j++)
{
string currentText = SolvedSudokuGrid[i, j];
if (row != i || column != j)
{
if (source == currentText && !string.IsNullOrWhiteSpace(source))
{
return(false);
}
}
}
}
break;
case 4:
for (int i = 3; i < 6; i++)
{
for (int j = 3; j < 6; j++)
{
string currentText = SolvedSudokuGrid[i, j];
if (row != i || column != j)
{
if (source == currentText && !string.IsNullOrWhiteSpace(source))
{
return(false);
}
}
}
}
break;
case 5:
for (int i = 3; i < 6; i++)
{
for (int j = 6; j < 9; j++)
{
string currentText = SolvedSudokuGrid[i, j];
if (row != i || column != j)
{
if (source == currentText && !string.IsNullOrWhiteSpace(source))
{
return(false);
}
}
}
}
break;
case 6:
for (int i = 6; i < 9; i++)
{
for (int j = 0; j < 3; j++)
{
string currentText = SolvedSudokuGrid[i, j];
if (row != i || column != j)
{
if (source == currentText && !string.IsNullOrWhiteSpace(source))
{
return(false);
}
}
}
}
break;
case 7:
for (int i = 6; i < 9; i++)
{
for (int j = 3; j < 6; j++)
{
string currentText = SolvedSudokuGrid[i, j];
if (row != i || column != j)
{
if (source == currentText && !string.IsNullOrWhiteSpace(source))
{
return(false);
}
}
}
}
break;
case 8:
for (int i = 6; i < 9; i++)
{
for (int j = 6; j < 9; j++)
{
string currentText = SolvedSudokuGrid[i, j];
if (row != i || column != j)
{
if (source == currentText && !string.IsNullOrWhiteSpace(source))
{
return(false);
}
}
}
}
break;
default:
return(false);
}
return(true);
}
}