private void frmMain_Load(object sender, EventArgs e)
{
for (int i = 0; i < 9; i++)
{
numButtons[i] = $"D{i + 1}";
for (int j = 0; j < 9; j++)
{
tiles[i, j] = new TileLabel(i, j, this);
this.Controls.Add(tiles[i, j]);
tiles[i, j].MouseEnter += new EventHandler(tile_MouseEnter);
tiles[i, j].MouseLeave += new EventHandler(tile_MouseLeave);
tiles[i, j].Click += new EventHandler(tile_Click);
}
}
numButtons[9] = "Back";
if (File.ReadAllText("saved_game.txt") != "")
{
btnLoad.Enabled = true;
}
}
private void selectTile(TileLabel tile) // "selects" the tile the user clicks, making it orange and flagging it as selected.
//Also highlights the row collumn and 3x3 square in yellow.
{
tile.selected = true;
tile.BackColor = Color.Orange;
for (int i = 0; i < 9; i++)
{
for (int j = 0; j < 9; j++)
{
if (tiles[i, j] == tile)
{
for (int k = 0; k < 9; k++)
{
if (!tiles[i, k].selected)
{ //Row
tiles[i, k].BackColor = Color.Yellow;
}
if (!tiles[k, j].selected)
{ //Collumn
tiles[k, j].BackColor = Color.Yellow;
}
}
for (int l = 0; l < 9; l++)
{
for (int m = 0; m < 9; m++)
{
if (l / 3 == i / 3 & m / 3 == j / 3 & !tiles[l, m].selected) //3x3 square
{
tiles[l, m].BackColor = Color.Yellow;
}
}
}
}
}
}
}