void picture_clicked(object sender, EventArgs e)
{
Puzzlepicture temp = sender as Puzzlepicture;
int i = temp.index;
if (pictures[8].xindex == pictures[i].xindex && Math.Pow((pictures[8].yindex - pictures[i].yindex), 2) == 1)
{
swapPicture(pictures[8], pictures[i]);
checkIfSolved();
updateSequence();
}
else if (pictures[8].yindex == pictures[i].yindex && Math.Pow((pictures[8].xindex - pictures[i].xindex), 2) == 1)
{
swapPicture(pictures[8], pictures[i]);
checkIfSolved();
updateSequence();
}
}
void swapPicture(Puzzlepicture p1, Puzzlepicture p2)
{
Puzzlepicture temp = new Puzzlepicture();
temp.position = p1.position;
temp.xindex = p1.xindex;
temp.yindex = p1.yindex;
temp.Location = p1.Location;
p1.position = p2.position;
p1.xindex = p2.xindex;
p1.yindex = p2.yindex;
p1.Location = p2.Location;
p2.position = temp.position;
p2.xindex = temp.xindex;
p2.yindex = temp.yindex;
p2.Location = temp.Location;
}
public Form1()
{
InitializeComponent();
for (int c1 = 0; c1 < 9; c1++)
{
pictures[c1] = new Puzzlepicture();
pictures[c1].index = c1;
pictures[c1].position = c1;
pictures[c1].xindex = c1 % 3;
pictures[c1].yindex = c1 / 3;
pictures[c1].Location = new Point(pictures[c1].xindex * 125, pictures[c1].yindex * 125);
pictures[c1].Size = new Size(120, 120);
pictures[c1].Image = Image.FromFile(Application.StartupPath + "\\picture\\" + (c1 + 1) + ".jpg");
this.Controls.Add(pictures[c1]);
pictures[c1].Click += new EventHandler(picture_clicked);
}
pictures[8].Visible = false;
shuffle();
}