BO1: RPC.Call(0x399CC8, 0, ";userinfo \"\\name\\" + yourTextBox.Text);
MW3: RPC.Call(0x1DB240, 0, ";userinfo \"\\name\\" + yourTextBox.Text);
MW2: RPC.Call(0x1D9EC0, 0, ";userinfo \"\\name\\" + yourTextBox.Text);
WAW: RPC.Call(0x329CC8, 0, ";userinfo \"\\name\\" + yourTextBox.Text);