[DllImport("user32.dll",   EntryPoint="SendMessageA")]  		private static extern int SendMessage(IntPtr hwnd, uint wMsg, uint wParam, uint lParam);  		[DllImport("user32.dll")] 		private static extern int ReleaseCapture();//move            ReleaseCapture();            SendMessage(pictureBox1.Handle, 0x0112, 0xF004, 0);            SendMessage(pictureBox1.Handle, 0x0202, 0, 0);   /*  0---------1---------2 3-------------------4  5---------6---------7  */     	case 0:{		ReleaseCapture();		SendMessage(panel1.Handle, 0x0112, 0xF004, 0);		SendMessage(panel1.Handle, 0x0202, 0, 0);		break;	}	case 1:{		ReleaseCapture();		SendMessage(panel1.Handle, 0x0112, 0xF003, 0);		SendMessage(panel1.Handle, 0x0202, 0, 0);		break;	}	case 2:{		ReleaseCapture();		SendMessage(panel1.Handle, 0x0112, 0xF005, 0);		SendMessage(panel1.Handle, 0x0202, 0, 0);		break;	}	case 3:{		ReleaseCapture();		SendMessage(panel1.Handle, 0x0112, 0xF001, 0);		SendMessage(panel1.Handle, 0x0202, 0, 0);		break;	}	case 4:{		ReleaseCapture();		SendMessage(panel1.Handle, 0x0112, 0xF002, 0);		SendMessage(panel1.Handle, 0x0202, 0, 0);		break;	}	case 5:{		ReleaseCapture();		SendMessage(panel1.Handle, 0x0112, 0xF007, 0);		SendMessage(panel1.Handle, 0x0202, 0, 0);		break;	}	case 6:{		ReleaseCapture();		SendMessage(panel1.Handle, 0x0112, 0xF006, 0);		SendMessage(panel1.Handle, 0x0202, 0, 0);		break;	}	case 7:{		ReleaseCapture();		SendMessage(panel1.Handle, 0x0112, 0xF008, 0);		SendMessage(panel1.Handle, 0x0202, 0, 0);		break;	}