C # Jigsaw Puzzle code

Using system;
Using system. Collections. Generic;
Using system. componentmodel;
Using system. Data;
Using system. drawing;
Using system. text;
Using system. Windows. forms;

Namespace windowsapplication1
{
Public partial class form9: Form
{
Public static int AA;
Public static int BB;
Private system. Windows. Forms. picturebox [,] T;
Public form9 ()
{
Initializecomponent ();
}

Private void form9_load (Object sender, eventargs E)
{
T = new picturebox [3, 3] {picturebox1, picturebox2, picturebox3 },
{Picturebox4, picturebox5, picturebox6 },
{Picturebox7, picturebox8, picturebox9}
};
For (INT I = 0; I <= 2; I ++)
{
For (Int J = 0; j <= 2; j ++)
{
T [I, j]. Enabled = false;
}
}
}
Private void picturebox#click (Object sender, eventargs E)
{
Bb ++;
Label2.text = BB. tostring ();
If (picturebox2.image = NULL)
{
Picturebox2.image = picturebox1.image;
Picturebox1.image = NULL;
}
Else if (picturebox4.image = NULL)
{
Picturebox4.image = picturebox1.image;
Picturebox1.image = NULL;
}

}
Private void picturebox2_click (Object sender, eventargs E)
{
Bb ++;
Label2.text = BB. tostring ();
If (picturebox1.image = NULL)
{
Picturebox1.image = picturebox2.image;
Picturebox2.image = NULL;
}
Else if (picturebox3.image = NULL)
{
Picturebox3.image = picturebox2.image;
Picturebox2.image = NULL;
}
Else if (picturebox5.image = NULL)
{
Picturebox5.image = picturebox2.image;
Picturebox2.image = NULL;
}
}

Private void picturebox3_click (Object sender, eventargs E)
{
Bb ++;
Label2.text = BB. tostring ();
If (picturebox2.image = NULL)
{
Picturebox2.image = picturebox3.image;
Picturebox3.image = NULL;
}
Else if (picturebox6.image = NULL)
{
Picturebox6.image = picturebox3.image;
Picturebox3.image = NULL;
}
}

Private void picturebox4_click (Object sender, eventargs E)
{
Bb ++;
Label2.text = BB. tostring ();
If (picturebox1.image = NULL)
{
Picturebox1.image = picturebox4.image;
Picturebox4.image = NULL;
}
Else if (picturebox5.image = NULL)
{
Picturebox5.image = picturebox4.image;
Picturebox4.image = NULL;
}
Else if (picturebox7.image = NULL)
{
Picturebox7.image = picturebox4.image;
Picturebox4.image = NULL;
}
}

Private void picturebox6_click (Object sender, eventargs E)
{
Bb ++;
Label2.text = BB. tostring ();
If (picturebox5.image = NULL)
{
Picturebox5.image = picturebox6.image;
Picturebox6.image = NULL;
}
Else if (picturebox3.image = NULL)
{
Picturebox3.image = picturebox6.image;
Picturebox6.image = NULL;
}
Else if (picturebox8.image = NULL)
{
Picturebox8.image = picturebox6.image;
Picturebox6.image = NULL;
}
}

Private void picturebox5_click (Object sender, eventargs E)
{
Bb ++;
Label2.text = BB. tostring ();
If (picturebox2.image = NULL)
{
Picturebox2.image = picturebox5.image;
Picturebox5.image = NULL;
}
Else if (picturebox4.image = NULL)
{
Picturebox4.image = picturebox5.image;
Picturebox5.image = NULL;
}
Else if (picturebox6.image = NULL)
{
Picturebox6.image = picturebox5.image;
Picturebox5.image = NULL;
}
Else if (picturebox9.image = NULL)
{
Picturebox9.image = picturebox5.image;
Picturebox5.image = NULL;
}
}

Private void picturebox7_click (Object sender, eventargs E)
{
Bb ++;
Label2.text = BB. tostring ();
If (picturebox4.image = NULL)
{
Picturebox4.image = picturebox7.image;
Picturebox7.image = NULL;
}
Else if (picturebox9.image = NULL)
{
Picturebox9.image = picturebox7.image;
Picturebox7.image = NULL;
}
}

Private void picturebox9_click (Object sender, eventargs E)
{
Bb ++;
Label2.text = BB. tostring ();
If (picturebox8.image = NULL)
{
Picturebox8.image = picturebox9.image;
Picturebox9.image = NULL;
}
Else if (picturebox7.image = NULL)
{
Picturebox7.image = picturebox9.image;
Picturebox9.image = NULL;
}
Else if (picturebox5.image = NULL)
{
Picturebox5.image = picturebox9.image;
Picturebox9.image = NULL;
}
}

Private void picturebox8_click (Object sender, eventargs E)
{
Bb ++;
Label2.text = BB. tostring ();
If (picturebox6.image = NULL)
{
Picturebox6.image = picturebox8.image;
Picturebox8.image = NULL;
}
Else if (picturebox9.image = NULL)
{
Picturebox9.image = picturebox8.image;
Picturebox8.image = NULL;
}
}

Private void label2_textchanged (Object sender, eventargs E)
{
Try
{
If (Int. parse (label2.text) >=200)
{
MessageBox. Show ("You have exceeded the maximum number of steps in the game. Please come back! "," NOTE ",

Messageboxbuttons. OK, messageboxicon. information );
Application. Exit ();
}
}
Catch {}
}

Private void button#click (Object sender, eventargs E)
{
Button2.enabled = true;
Picturebox9.image = NULL;
AA = AA + 1;
For (INT m = 0; m <= 2; m ++)
{
For (INT n = 0; n <= 2; n ++)
{
T [M, N]. Enabled = true;
}
}
SS:
Switch (aa)
{
Case 1:
{
Clipboard. setimage (picturebox1.image );
Picturebox1.image = picturebox5.image;
Picturebox5.image = clipboard. getimage ();
Clipboard. Clear ();
Clipboard. setimage (picturebox2.image );
Picturebox2.image = picturebox4.image;
Picturebox4.image = clipboard. getimage ();
Clipboard. Clear ();
Clipboard. setimage (picturebox3.image );
Picturebox3.image = picturebox8.image;
Picturebox8.image = clipboard. getimage ();
Clipboard. Clear ();
Button1.enabled = false;
Break;
}
Case 2:
{
Clipboard. setimage (picturebox1.image );
Picturebox1.image = picturebox6.image;
Picturebox6.image = clipboard. getimage ();
Clipboard. Clear ();
Clipboard. setimage (picturebox2.image );
Picturebox2.image = picturebox8.image;
Picturebox8.image = clipboard. getimage ();
Clipboard. Clear ();
Clipboard. setimage (picturebox3.image );
Picturebox3.image = picturebox5.image;
Picturebox5.image = clipboard. getimage ();
Clipboard. Clear ();
Button1.enabled = false;
Break;
}
Case 3:
{
Clipboard. setimage (picturebox2.image );
Picturebox2.image = picturebox5.image;
Picturebox5.image = clipboard. getimage ();
Clipboard. Clear ();
Clipboard. setimage (picturebox4.image );
Picturebox4.image = picturebox6.image;
Picturebox6.image = clipboard. getimage ();
Clipboard. Clear ();
Clipboard. setimage (picturebox3.image );
Picturebox3.image = picturebox8.image;
Picturebox8.image = clipboard. getimage ();
Clipboard. Clear ();
Button1.enabled = false;
Break;
}
Case 4:
{
Clipboard. setimage (picturebox1.image );
Picturebox1.image = picturebox8.image;
Picturebox8.image = clipboard. getimage ();
Clipboard. Clear ();
Clipboard. setimage (picturebox3.image );
Picturebox3.image = picturebox5.image;
Picturebox5.image = clipboard. getimage ();
Clipboard. Clear ();
Clipboard. setimage (picturebox6.image );
Picturebox6.image = picturebox9.image;
Picturebox9.image = clipboard. getimage ();
Clipboard. Clear ();
Button1.enabled = false;
Break;
}
Default:
{
AA = 1;
Goto SS;
}
}
}

Private void button2_click (Object sender, eventargs E)
{
Picturebox1.image = picturebox10.image;
Picturebox2.image = picturebox12.image;
Picturebox3.image = picturebox13.image;
Picturebox4.image = picturebox14.image;
Picturebox5.image = picturebox15.image;
Picturebox6.image = picturebox16.image;
Picturebox7.image = picturebox17.image;
Picturebox8.image = picturebox18.image;
Picturebox9.image = NULL;
Label2.text = "";
BB = 0;
Button2.enabled = false;
Button1.enabled = true;
For (INT m = 0; m <= 2; m ++)
{
For (INT n = 0; n <= 2; n ++)
{
T [M, N]. Enabled = false;
}
}
}

Private void form9_activated (Object sender, eventargs E)
{
If (picturebox1.image = picturebox10.image &&
Picturebox2.image = picturebox12.image &&
Picturebox3.image = picturebox13.image &&
Picturebox4.image = picturebox14.image &&
Picturebox5.image = picturebox15.image &&
Picturebox6.image = picturebox16.image &&
Picturebox7.image = picturebox17.image &&
Picturebox8.image = picturebox18.image &&
Picturebox9.image = NULL)
{
MessageBox. Show ("Congratulations! You have completed the puzzle! "," Prompt ", messageboxbuttons. OK,

Messageboxicon. information );
}
}

}
}