[EE] On Block Message Code

int layer = m.GetInt(0);
                        int posX = m.GetInt(1);
                        int posY = m.GetInt(2);
                        int bID = m.GetInt(3);
                        string placer = players[m.GetInt(4)];

            // getNoEdit() is an invoke method that returns the richTextBox Lines
                        if (getNoEdit().Contains(placer) && checkBox1.Checked)
                        {
                            if (world[layer, posX, posY] == 0)
                            {
                                con.Send(worldkey, layer, posX, posY, 0);
                                Thread.Sleep(15);
                            } // checkBox3 is "Starter Blocks Only" isStarterBlock code just goes through a list of hardcoded block id's and see's if it matches the input parameter.
                            else if (checkBox3.Checked && isStarterBlock((int)world[layer, posX, posY]))
                            {
                                con.Send(worldkey, layer, posX, posY, world[layer, posX, posY]);
                                Thread.Sleep(15);
                            }
                            else if (!checkBox3.Checked)
                            {
                                con.Send(worldkey, layer, posX, posY, world[layer, posX, posY]);
                                Thread.Sleep(15);
                            }
                            else if (layer == 0)
                            {
                                con.Send(worldkey, layer, posX, posY, 9);
                                Thread.Sleep(15);
                            }
                            else if (layer == 1)
                            {
                                con.Send(worldkey, layer, posX, posY, 500);
                                Thread.Sleep(15);
                            }
                        }

                        world[layer, posX, posY] = (uint)bID;