Mine

int iRet = 0;

VocTelAdmin.ServerName = txtServerName.Text;
VocTelAdmin.ServerPort = txtServerPort.Text;
VocTelAdmin.DatabaseName = txtDBName.Text;
VocTelAdmin.DatabaseUser = txtDBUser.Text;
VocTelAdmin.DatabasePass = txtDBPass.Text;

iRet = VocTelAdmin.SaveRegistryKeys();